Katy Perry and John Mayer are both single again. The couple have reportedly split for the second time in less than a year. Friends of the 2 say "It's sad but It's not over until it's over. You have to see how things play out." Another source says, "She's leaving the window open. They have both been so focused on work." The 2 singers began dating last summer, but broke up in August before reuniting a month later.

A bunch of photographers busted Lindsay Lohan outside the AV Club in Hollywood last night, just hours after the judge in her lying-to-police case told her to stay away from alcohol and drugs. Lohan was trying not to be seen and pulled a blanket over her face in the back seat of an SUV. Lindsay doesn't think she has a problem but chose rehab simply because it beats jail time. What a mess. Check out her mugshot here!

According to the NY Post, Justin Timberlake is one of the frontrunners to star with Quvenzhané Wallis in the re-make of Annie and star as Daddy Warbucks. Jay-Z is one of the co-producers of the new Annie flick. However, a rep at Sony tells the Post the rumor isn't true. Meanwhile, Justin will be releasing Volume 2 of his album, The 20/20 Experience. He said, "I've got to clear up the rumors. This whole thing about this only being the first part...is true. There is another half. I'm not giving you a release date." Word going around was that 2^nd part would drop in November but Justin was unwilling to confirm that. 

Kate Upton may be going to the prom thanks to High school senior Jake Davidson. He is on a quest to get the model to be his date to the prom in May. In a now-viral video, Jake asks Kate to the prom while trying to impress her with his shirtless bod, workout routine, good hygiene and sense of humor. Gotta give it to him for trying!

Rumor has it that Beyonce's upcoming 5th album is being pushed back until the fall. According to Mediatakeout, the album was due out soon. The two songs that have been released -- which are "Nuclear" and "Bow Down/I Been On" have flopped. A source close to Beyonce has said, "No one thought that both records would fall flat. They were supposed to be her biggest two songs off the album."

A source says that it is unlikely that Beyonce will release a single or an album before she goes on tour next month. No official word from Beyonce's camp or label on this rumor, so more than likely, her album -- rumored to be entitled Mrs. Carter will be hitting stores before she goes on tour in April. 

Selena Gomez admitted to David Letterman that she actually made her ex, Justin Bieber, cry. Dave said, "Now, the last time he was on, he and I got into a conversation and he said something, then I said something, and he said something, then I said something and I made him cry." Selena responded, "Well then, that makes two of us." Check out the video!

Meanwhile, Justin Bieber is reportedly trying to take the high road in his breakup with Selena. After Selena told David Letterman that she made Justin cry, Justin has decided to not respond. Instead, Justin tried to stay positive in light of the poking. Justin tweeted, "We keep it positive over here. thanks for all the love. #Paris get ready for a show tomorrow. #Believetour."

Christina Aguilera reportedly gave Shakira and the boys some advice for her first season on The Voice. Christina said, "I know how you boys can get, so watch the locker room humor and treat Shakira like lady she is on the new The Voice." 

Pink spotted a little girl crying in her audience at her concert the other night and immediately wanted to know what was going on. Reportedly, the little girl got shoved when two women were fighting so Pink called the women out and gave the child a stuffed animal.

Snooki attended Saturday's GLAAD Media Awards and revealed to HollywoodLife.com that she is ready for more kids. She told the website, "I want kids now, actually! Twins. Twins run in Jionni's family, so it could be a possibility. I would love that!"