Mischa Barton wore a plain "Neon pink Swimsuit" in Formentera, Spain

Mischa wore a plain neon pink swimsuit but may have been better off in a two piece rather than the all in one.
After a lot of splashing around the pair relaxed on the beach and kicked back as Mischa risked a second wedgie by sitting down.
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Beach patrol: Mischa pulled and tugged at her swimsuit after having got some sand on her bottom and a wedgie

Take a break: The actor relaxed on the beach after having been in the water for a swim (Read more and See more Pictures)