India, May 4 -- Supermodel Gigi Hadid and actor-filmmaker Bradley Cooper have been an item for a while but now they have made it official with a kiss. Gigi took to Instagram to share a carousel of pictures from her recent, 30th birthday bash. One picture, however, took all the attention. It showed Gigi and Bradley (50) locking lips as others cheered and clicked their photos.

Gigi wrote in her post, "I feel so lucky to be 30! I feel so lucky for every high and low- for all the lessons and gifts both have brought me. To get to feel it all! I'm so lucky to be a mom, friend, partner, sister, daughter, colleague to some of the most unbelievable humans!! So lucky for the support and encouragement from all of YOU around the world, every day and...