Celebrity Roundup: January 20, 2012

• Sober Kelly Osbourne Denies Claims of Relapse [RadarOnline]

Reality star and occasional chanteuse Kelly Osbourne sobered up in 2009 after a trip to rehab. But she may have fallen off the wagon, with several sources reporting that she’s begun drinking again, causing her to get “so wasted” and “unsteady on her feet.” Osbourne calls the claims “bullshit.” She tweeted: “Trust me I’ve worked to hard to go and fuck my life up agin you ass holes!” [sic].

• How I Met Your Mother Star Josh Radnor to Release Ayahuasca Memoir [Gawker]

Josh Radnor, the comedic actor best known for playing intrepid architect Ted Mosby on How I Met Your Mother, is set to release a memoir called One Big Blissful Thing, about taking the hallucinogenic plant ayahuasca in the Amazon rainforest. The synopsis describes it as "Eat, Pray, Love for the McSweeney’s set."

• The Bachelorette’s Kasey Kahl Arrested for Being Drunk and Disorderly [TMZ]

The Bachelorette heartthrob Kasey Kahl didn’t find love on the show—and things aren’t looking up with his recent arrest in Fresno, California, for being drunk and disorderly at Club Habanos. The good news? The cops found his mugshot impossibly dashing—according to Kahl's representative.

• Bruno Mars Gets Cocaine Charges Dismissed [E! Online]

Singer-songwriter Bruno Mars was popped for cocaine possession back in September 2010. But after pleading guilty, completing 200 hours of community service, paying a hefty fine, and going through drug counseling, the charges have been wiped from his record. If only we could do the same to all those American Idol covers of his songs.

• Jersey Shore’s "The Unit" Talks Loving Sobriety, Being a Role Model [Wetpaint]

Occasional Jersey Shore star "The Unit" (real name: Jonathan Manfre) has been getting a lot of media mileage out of his arrest for ketamine possession. But at least the guy says that sobriety has taken his life “from good to great.” And he’s doing it for the kids: “I know that I am looked upon to be a role model for the young people out there,” he explains. Sobriety and shredded abs—maybe we can have it all!