8. Adam Lambert
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Lady Gaga Fans' Ten Dream Collaborations For The 'ARTPOP' Star
3. 8. Adam Lambert
'Never Close Our Eyes' star Adam has joined the cast of Glee this season... but we're guessing he'd make time for Gaga is she ever came a-calling for a team-up?! After all, have you seen his cover of 'Born This Way'?