"Resumed duties as tourism ambassador of Egypt. Had a lovely evening at the Egyptian consulate. Feels great to start work slowly," Celina tweeted.
"It was an honour to meet the very insightful and dynamic tourism minister of Egypt Mounir Fakhry Abdel Nour," she posted.
The 30-year-old was made the brand ambassador in 2007.
The former beauty queen made her Bollywood debut with 2003 film "Janasheen" and was seen in films like "No Entry", "Zinda", "Golmaal Returns", "Thank You" and most recently "Will You Marry Me?"
Mumbai Roundup: 9 incidents that took place this week
Photos: Ajay Devgn, Parineeti, Tabu at 'Golmaal Again' trailer launch
Photos: Dipika Pallikal Karthik oozes oomph in bikinis and sarees
Photos: Kareena Kapoor Khan's grand birthday bash
Photos: 'Dangal' girls Sanya Malhotra, Fatima Sana Shaikh's dinner outing