Twitter is the best place to handle any sort of beef you have with anyone. Think about it: you sit behind your computer or cell phone and type the best insult you can come up with in 140 characters. Fun, right?

Celebrities LOVE to hash out any sort of arguments they have with each other via Twitter. Take Lady Gaga for example. She recently went on a rant to Calvin Harris after he said he turned down a collaboration with her because he was too busy. Plus, he just wasn’t a fan of her music. Now those are fighting words! From Lindsay Lohan to Rihanna, let the drama begin! Take a look at some of our favorite celebrity Twitter feuds.

Summer came early last week as the hottest music and film stars descended on Austin, Texas for SXSW and rocked what are sure to be the biggest fashion trends for the upcoming warmer months!

Hollywire was there for all the action and we noticed one major theme -- retro is in! From Marcus Mumford to Perez Hilton to Norah Jones, the stars of SXSW channeled the decades of yesteryear with old-school looks like denim jackets, flowy, patterned dresses, and cropped tops!

Check out our super-special Street Style: SXSW Edition after the jump!

Britney Spears premiered her new music video for her single off, Femme Fatale, just days ago. With the mixed reviews Spears received from her last video for Hold ItAgainst Me, there has been nothing but positive comments this time around.Including from other celebs!

MTV News asked some stars what they thought of Britney’s hot dancing videoat Logo’s NewNowNext Awards in Los Angeles, California on Thursday, April 7th.And the verdict was unanimous – they loved it!