Before winning an Oscar the dreamy Brit acted as Bynes' dad in What A Girl Wants.
Tatum and Bynes played on the same soccer team in She's the Man.
The former Disney star and the former Nickelodeon star showed off their dance moves in Hairspray.
The Gossip Girl star joined Bynes on screen in Easy A.
Jonathan was costars with— not one!—but two wild stars. He worked with Lindsay Lohan in Mean Girls and Bynes in Love Wrecked.
Marsden and Bynes busted a move together in Hairspray.
The former Twilight star played Bynes' cheating boyfriend in Easy A.
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The actor shared the small screen with Amanda for five years on the TV show What I Like About You.
The Nashville star was Byne's love interest in Love Wrecked.
The former Drop Dead Diva actor was also in Byne's Lifetime movie Living Proof.