4. Fergie Vs. Beyonce: These foxy frontwomen of chart topping bands also have fierce solo careers and uber-famous hubbies, while their curves definitely have the beach traffic swerving! While Beyonce covers up with coordinating boy shorts, Fergie bares all with her skimpy, green bikini, and less is always more when it comes to the beach! 6. Katy Perry Vs. Lady Gaga: We love these ladies because they have the wackiest onstage wardrobes around, but we must admit—Katy is a Teenage Dream in her bikini!