In today's Tweet Beat, important words from Justin Bieber, Jim Gaffigan describes the interaction everyone has had at Chipotle and yeah, Demi Lovato and Wilmer Valderrama are still dating.

In today's Tweet Beat, Demi Lovato reminds us about her relationship because I know that I personally had completely forgotten, Khloe Kardashian is actually wrong and Martha Stewart deals with family drama.

The latest lie-turd that Star Magazine's pinched off involves Alyson Hannigan "starving herself" down to 98 pounds. Says an "insider" (a crazed and jealous Alexis Denishof fan? A bitter Buffy extra?): "Alyson has become extremely strict with her diet in recent months. Her weight has become her obsession: She exercises…

Supposedly Sons of Anarchy actor Charlie Hunnam is now Universal's first choice to play Christian Grey in Fifty Shades of Grey. Generally speaking, casting rumors are no fun — unless they involve a really hot person whose .gif you can blow up to four times its size and share on the Internet. You're welcome.

Dr. Ruth Westheimer, famous sexpert and pint-sized Twitter savant, could not belieeeeeeve it when Ryan Lochte's mom Ike said in an interview that he only had time to "go out on one-night stands" with women in an interview. So, as one is wont to do in trying times like these, Dr. Ruth immediately released some…

• Rachel Weisz and director Darren Aronofsky are separating after nine years together.

• Zac Efron and his fellow High School Musical star Corbin Bleu dropped roughly $2,000 "on lap dancers and vodka" a strip club in New York and stayed there until 3 A.M.; Efron's new film premiered the next day. [PageSix]

• Robert Pattinson took Kristen Stewart to a "secret" dinner with his parents. So secret that this Britloid knows about it!

• Victoria Beckham put away her Hermes bags and Louboutins and wore shredded jeans and combat boots as she joined son Brooklyn and spent 2 days with impoverished children in Kentucky.

• George Michael was arrested on suspicion of driving under the influence yesterday after driving his car into the side of a truck. According to a police spokeswoman, he was "later released without charge" after five hours in police custody. [E!]

Jennifer Love Hewitt is writing a relationship advice book, The Day I Shot Cupid. She certainly has the qualifications!

• Kate Gosselin of Jon and Kate Plus 8 says she and Jon may be through. "I don't know that we're in the same place anymore, that we want the same thing," she says.

• Rihanna's maybe moving on! But: She was seen getting cozy with Wilmer Valderrama. Isn't that dude bad news bears? He's been linked to Lindsay Lohan, Paris Hilton, Ashlee Simpson, Mandy Moore… [Mirror]

• Russell Crowe has gone a bit mad on the set of Nottingham, throwing the film into a state of chaos. The star is demanding re-writes and reportedly trying to get director Ridley Scott fired. [PageSix]

• Europeans are always more progressive than Americans. Rumor is, Italian Vogue may be producing a cover featuring only black models. [Fashionista]
  
• Oh. My. God. High School Musical and Hannah Montana-inspired Crocs, soon available at a store near you. [Yahoo]
  
• Francis Ford Coppola and Sofia Coppola will be the next faces…

Jennifer Love Hewitt, whose womanly allure has been well chronicled, is no slouch in the dating department. She's been linked to hotties near and far, including talk show hosts Craig Ferguson [Yum. -Ed.], and Carson Daly, teen heartthrobs Joey Lawrence and Wilmer Valderrama, rising stars Patrick Wilson and Kip Pardue,…

• OMG a reporter from In Touch was sitting nearby when Angelina Jolie went to the bar in the Waldorf-Astoria hotel. Angelina had a glass of red wine with "a tall, muscular male friend" and talked about money. "You know how [Brad] is financially, which is stupid," she said. "Someone has to make the big decisions,…