Born on September 26, 1981, Serena Williams is an American professional tennis player. The Women's Tennis Association (WTA) ranked her world No. 1 in singles on eight separate occasions between 2002 and 2017. She reached the No. 1 ranking for the first time on July 8, 2002. On her sixth occasion, she held the ranking for 186 consecutive weeks, tying the record set by Steffi Graf for the most consecutive weeks as No. 1 by a female tennis player. In total, she has been No. 1 for 319 weeks, which ranks third in the 'Open Era' among female players behind Steffi Graf and Martina Navratilova (Pics/ Serena Williams' Instagram)

Born on September 26, 1981, Serena Williams is an American professional tennis player. The Women's Tennis Association (WTA) ranked her world No. 1 in singles on eight separate occasions between 2002 and 2017. She reached the No. 1 ranking for the first time on July 8, 2002. On her sixth occasion, she held the ranking for 186 consecutive weeks, tying the record set by Steffi Graf for the most consecutive weeks as No. 1 by a female tennis player. In total, she has been No. 1 for 319 weeks, which ranks third in the 'Open Era' among female players behind Steffi Graf and Martina Navratilova (Pics/ Serena Williams' Instagram)

Serena Williams total of 23 Grand Slam singles titles marks the record for the most Grand Slam wins by a tennis player in the Open Era, and is second on the all-time list behind Margaret Court. She is also the only tennis player to have won ten Grand Slam singles titles in two separate decades. She has won an all-time record of 13 Grand Slam singles titles on hard court. Williams holds the Open Era record for most titles won at the Australian Open and shares the Open Era record for most titles won at the US Open with Chris Evert (6). She also holds the all-time record for the most women's singles matches won at majors with 331 matches

Serena Williams married Alex Ohanian in 2017, Alexis Kerry Ohanian is an American Internet entrepreneur and investor, who is co-founder and executive chairman of the social news website Reddit. He also co-founded the early stage venture capital firm Initialized Capital, helped launch the travel search website Hipmunk, and started the social enterprise Breadpig

Serena Williams married Alex Ohanian in 2017, Alexis Kerry Ohanian is an American Internet entrepreneur and investor, who is co-founder and executive chairman of the social news website Reddit. He also co-founded the early stage venture capital firm Initialized Capital, helped launch the travel search website Hipmunk, and started the social enterprise Breadpig

Serena Williams first announced her engagement to Reddit co-founder Alexis Ohanian in December 2016

Serena Williams first announced her engagement to Reddit co-founder Alexis Ohanian in December 2016

She first sparked off pregnancy rumours when she posted a photo on Snapchat in April 2017

She first sparked off pregnancy rumours when she posted a photo on Snapchat in April 2017

Serena Williams gave birth to her daughter Alexis Olympia Ohanian in September 2017.

Serena Williams gave birth to her daughter Alexis Olympia Ohanian in September 2017.

Serena Williams was pregnant when she won the 2017 Australian Open

Serena Williams was pregnant when she won the 2017 Australian Open

On her daughter Alexis Olympia Ohanian's first birthday in September 2018, Serena Williams revealed that she will not celebrate her birthday. Serena Williams said that her family is Jehovah's Witnesses, which is a breakaway sect of Christianity, they do not celebrate religious holidays such as Christmas and Easter, and do not celebrate birthdays either. They believe that these festivals have pagan origins

In pic: Serena Williams had shared the first photo of her newborn baby

In pic: Serena Williams had shared the first photo of her newborn baby

Serena Williams is very confident of her body and loves to post pictures of hers in bikinis. Here she is rocking this black and fluorescent bikini

Serena Williams is very confident of her body and loves to post pictures of hers in bikinis. Here she is rocking this black and fluorescent bikini

In pic: Another one of Serena's beach bikiniphotos

In pic: Serena Williams posing in a pink bikini

In pic: Serena Williams posing in a pink bikini

In pic: Serena Williams in a white swimsuit during a photoshoot

In pic: Serena Williams in a white swimsuit during a photoshoot

In pic: Serena Williams during a shoot

In pic: Serena Williams during a shoot

In pic: Serena Williams looks spunky in this bikini

In pic: Serena Williams looks spunky in this bikini

In pic: Serena Williams smiling away in a black bikini

In pic: Serena Williams smiling away in a black bikini

In pic: Serena Williams set the internet on fire showing off her sexy back in this bikini

In pic: Serena Williams set the internet on fire showing off her sexy back in this bikini

In pic: Serena Williams shows off her cleavage in a black swimsuit

In pic: Serena Williams shows off her cleavage in a black swimsuit

In pic: Serena Williams taking a bedroom selfie

In pic: Serena Williams taking a bedroom selfie

In pic: Serena Williams often shows off her sexy side in most selfies

In pic: Serena Williams often shows off her sexy side in most selfies

In pic: Serena Williams shows off some cleavage again in this bedroom photo

In pic: Serena Williams shows off some cleavage again in this bedroom photo

In pic: Serena Williams shows off a black bikini

In pic: Serena Williams shows off a black bikini

In pic: Serena Williams takes a hot bathroom selfie

In pic: Serena Williams takes a hot bathroom selfie

In pic: Serena Williams makes the white swimsuit look classy during this photoshoot

In pic: Serena Williams makes the white swimsuit look classy during this photoshoot

In pic: Serena Williams sports straight hairdo

In pic: Serena Williams sports straight hairdo

In pic: Serena Williams' showing off her baby bump in a swimsuit and she is glowing

In pic: Serena Williams' showing off her baby bump in a swimsuit and she is glowing

In pic: Serena Williams teases in this photoshoot

In pic: Serena Williams teases in this photoshoot

In pic: Serena Williams demonstrates her flexibility by doing a perfect split

In pic: Serena Williams' has an elder sister Venus, who is also a tennis world champion

In pic: Serena Williams' has an elder sister Venus, who is also a tennis world champion

She is the only player to win a career Grand Slam, double Grand Slam and career Golden Slam after age 30

Serena Williams has 23 Grand Slam singles titles

Serena Williams is the only player to win 10 Grand Slam singles titles in two different decades (2000 to 2009 and 2010 to 2017)

Serena Williams is the only player to win 10 Grand Slam singles titles in two different decades (2000 to 2009 and 2010 to 2017)

In pic: Serena Williams crashed a beach wedding, but the couple were not furious about it

In pic: Serena Williams crashed a beach wedding, but the couple were not furious about it

Serena Williams is close friends with another tennis star Caroline Wozniacki

Serena Williams has also appeared on various TV shows such as 'ER', 'Law & Order: Special Victims Unit', 'My Wife and Kids', 'America's Next Top Model', amongst others

In pic: Serena Williams looks stunning in this red dress

In pic: Serena Williams shows off her figure in a see-through dress

In pic: Serena Williams shows off her figure in a see-through dress

In pic: Serena Williams autographs this bikini photo from her earlier days

In pic: Serena Williams autographs this bikini photo from her earlier days