KATY PERRY IS SINGLE AGAIN: Katy Perry is reportedly single again. She has reportedly broken up with her rebound, Robert Ackroyd of Florence + the Machine. According to Us Weekly, the pair had reportedly only been dating for about a month. A source said, “It wasn’t that serious. It’s not a nasty thing and they are still talking, but Katy told him to do his thing and they’ll talk soon. No hard feelings, she’s really busy and so is he.” ONE DIRECTION IS A BUNCH OF TALKERS: The boys of One Direction managed to rack up a pretty large phone bill. According to The Daily Mirror, the boy band had a combined total of $22,000 in cell phone bills. A source said, “In the end they got called in for a meeting and given a lecture on finances, and how to handle their money. It is vital wealth does not go to their heads. Their bills got signed off and the boys will not be making the same mistake again.”

ROBIN WILLIAMS IS LATEST CELEBRITY DEATH HOAX VICTIM: Robin Williams is alive and well. The actor was the latest celebrity death hoax victim after the fake Global Associated News site reported that he’d fallen to his death. The story claimed that Williams “fell more than 50 feet to his death in a remote area of the Hahnenkamm mountains.” The actor’s rep confirmed it was in fact a hoax and that Williams is safe and sound.

 BAR REFAELI IS MAXIM’S HOTTEST WOMAN: Bar Refaeli has topped Maxim’s annual Hot 100 list. This was the first time the rankings were determined by fan voting. Refaeli, an Israeli supermodel, responded to her title, tweeting, “So happy and honored to be #1 on #Maximhot100! thank you @maximmag!” Olivia Munn took the second spot, while Mila Kunis, Katy Perry and Olivia Wilde rounded out the top five.

SAMANTHA RONSON AND KIRSTEN DUNST? Lindsay Lohan’s ex Samantha Ronson has moved on — to Kirsten Dunst. The two, who were first spotted at the Sundance Film Festival earlier in the year, were photographed at the Chateau Marmont over the weekend. A witness observed, “They were having the best time — being quite fun and quite playful, laughing the night away and being very carefree.” It seems as though their relationship is platonic as Dunst reportedly has a long-term boyfriend.

REESE WITHERSPOON HIKES WITH DAD AMID LEGAL BATTLE: Reese Witherspoon is bonding with her father in the midst of her parents’ legal battle over his second marriage. Reese’s mother recently sued her father over bigamy claims — saying that he tied the knot even though the two are still legally married. The couple has been separated since 1996, but Reese’s mom alleges that her dad’s alcoholism and early-onset dementia were to blame for the latest walk down the aisle. Despite the situation, a pregnant Reese, her dad and her two kids were photographed on what sources say was “a low-key, quiet walk together.”

AMY ROBACH HEADING TO ABC: Amy Robach, the anchor of the weekend Today show is jumping ship. Robach is heading to rival ABC, where she will act as a news correspondent based in New York. She has been the co-anchor of the weekend Today edition since 2007.