PHOTO GALLERY: Sienna Miller’s Bikini Boating

Here’s Sienna Miller back in her natural environment.

Sorry guys, she kept her top on this time! Maybe she learned a little something from last year’s scandalous summer?

The skinny blonde was spotted hanging out in a teeny bikini in Ibiza with her new boyfriend George Barker on Thursday afternoon.

Check out our new gallery for many more pics of Sienna Miller and her bikini body.