Celina was a finalist in the Miss Universe 2001 contest. In addition to her title of Femina Miss India Universe, Celina has won the Miss Margo Beautiful Skin, Indiatimes Surfer's Choice, and MTV's Most Wanted award.
In 2003, she made her debut in the movie industry with Feroz Khan's Janasheen. In 2007 Jaitley flew to New Zealand and shot her first international movie Love Has No Language, a romantic comedy. Whilst there she was targeted by a stalker who had followed her from India. Jaitley was said to be traumatized by the experience.