Katy Perry vs. Lady Gaga: THG Bikini Body Summer Showdown! >>Hollywood

In celebration of LITERALLY the hottest time of year, we're pleased to announce and kick off the 1st Annual THG Bikini Body Summer Showdown!

It's not a complicated setup. Take a look at the two bikini-clad celebrities pitted against each other below. Choose your favorite. The winner advances.

Yesterday's battle? Lindsey Vonn and Maria Sharapova. Today? A clash of pop titans, with Katy Perry and Lady Gaga competing for more than just Billboard's #1 spot.

Who will win this first-round matchup? Cast your vote below!

And the Winner is?

• 

  Katy Perry

  Click Here To

  Vote for Katy
• 

  Lady Gaga

  Click Here To

  Vote for Gaga

Katy Perry vs. Lady Gaga: Who's got the best bikini body? Vote in this first-round matchup of THG's Bikini Body Showdown! View Poll »

If you need do to more research before casting your virtual ballot, feel free to peruse THG's extensive galleries of Katy Perry photos and