In this week's round-up of the Top Five Tweets of the Week, Nick Cannon is not happy "dem babies"' birth certificates were leaked online and Oprah is chillin' after 25 years of hard work. Mike Tyson says 'The Hangover Part II' is a must see and Nicki Minaj gets inspired by Lil Wayne at the Billboard Awards. Then to wrap things up, Meek Mill heads to California to shoot the video for his new single 'Tupac Back' featuring Rick Ross.

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1. @nickcannon (Nick Cannon): "Whoever released my children's birth certificates need they a-- whooped."

2. @oprah (Oprah): "Staying in PJs all day. Getting my hair braided for summer vacation. Reading all your emails!"

3. @miketyson (Mike Tyson): "Go watch #Hangover2 today but try not to tweet about specific scenes! Don't ruin it for your friends! Its an awesome movie!!"

4. @nickiminaj (Nicki Minaj): "When I walked off the stage @ Billboard, Wayne hugged me & said "I told u this young money s--- was gonna work". He's the Greatest. YMCMB"

5. @MeekMill (Meek Mill): "Just did a scene 2 #tupacback in watts l.a. n----s came thru and showed love #respect"