Back of Sienna Miller Shares Her String Bikini Body With Her New Man Sienna Miller and her new boyfriend George Barker continued their Ibiza vacation yesterday, bringing their bikini time onto a boat. The duo cuddled up and kissed while Sienna soaked up the sun in her suit. Sienna and Balthazar spent most of their vacations in Posatino, Italy, but perhaps now it's time for Sienna to make some new traditions. It still might take a while to recover her reputation, but staying away from married men is a good place to start. View 10 Photos › Photo 1 Photo 2 Photo 3 Photo 4 Photo 5 To see more of Sienna in her bikini, just . View 10 Photos › Photo 1 Photo 2 Photo 3 Photo 4 Photo 5 Photo 6 Photo 7 Photo 8 Photo 9 Photo 10 Image Source: Splash News Online Comments redchick152 7 years wait...the last guy we saw her with was Balthy....granted we aren't for sure when they broke up. but who else have we seen her with besides this guy?? how is that going from man-to-man?? sounds like she's DATING.... also, i just saw her in Edge of Love over the weekend. i thought she was fantastic in it. Allyace 7 years So who is this guy married to? twisted-ties 7 years Girl, jumping into a new relationship so fast is crazy. But I am so proud that you loss someone else's zero and got you a single hero, you look marvelous darling!!! spicyaroma 7 years If she's happy than that's all that really matters :) weezz 7 years how does she do it, one guy to another that fast.. chocolate79 7 years I really don't like her.. nothing to offer to the film industry acyl 7 years She does look hot! GlowingMoon 7 years I agree with Morgana. :) Morgana 7 years Good for Sienna! Hope she's happy. Hockey-Princess 7 years Clooney always goes for single girls... Also, he doesn't seem to jump from one girl to another within 6 weeks. So it's not so much gender bias, as well... decency bias. ilanac13 7 years she's so adorable here. as for going from 'man to man' - um...well technically she's been saying that she hasn't been with balthy for a while (which i'm not 100% on) but regardless - EVERYONE that's a celeb does that - so there's nothing to really talk about here. i think that as long as she's happy then that's what matters. for her - it's next to impossible to keep things quiet with her life because she's ALWAYS being followed by photographers and the sort.