Article continues below advertisementSelena Gomez recently invited all 415 million of her Instagram followers to a "Secret Friends" Story to deliver exclusive content - including some spicy bikini snaps.The singer, 33, took to the app on Tuesday, March 3, to share photos she took while on vacation with her close pals.In one image, Gomez scorched in a strapless brown bikini top and white bottoms as she posed alongside friends at the back of a boat.Article continues below advertisementSource: @selenagomez/InstagramSelena Gomez shared throwback photos on a boat with friends.