While Michael Phelps has been celebrating his Olympic wins in the Maldives with his male friends, his girlfriend Megan Rossee stepped out in California wearing a gold bikini that showed off her hot body to the public. The 25-year-old cocktail waitress stripped down to a two-piece at a Santa Monica beach on Wednesday, Aug.15. TMZ's pictures of the blonde beauty shows her getting wet in the water while chatting with friends.