London: Singer Christina Aguilera flaunted her baby bump in a tight dress at a concert.

Christina Aguilera shows off her baby bump
Christina Aguilera performs onstage at StubHub Center in Los Angeles. Pic/AFP

The 33-year-old singer, who is expecting her first child with fiance Matthew Rutler, looked gorgeous in a black dress at the KIIS FM Wango Tango concert in Carson, California, reported E!Online.

The songstress is already a mother to 6-year-old Max, her son with ex-husband Jordan Bratman.