Adam LambertBetween all the amazing performances, tributes and awards, celebrities took time to have fun with their famous friends (and idols) at the 2010 Grammy Awards. Uploading backstage photos to Twitter, stars shared the fun stuff we didn't see on TV.

At right, Weird Al Yankovic made sure to capture his wife's "blinging" sparkles next to 'American Idol' runner-up, Adam Lambert. "Oh, snap! My wife just got out-sparkled!" Yankovic tweeted.

Everyone from Rihanna to Katy Perry and Lil Wayne got caught in some "tweet" moments backstage at the Grammy Awards. Here are the top TwitPics from the show. >>