Buzz Bites (2/23/12): Katy Perry's 'Part Of Me' Bows At No. 1 On Billboard Hot 100

Katy Perry tops the Billboard Hot 100 with 'Part of Me.'

+ Katy Perry's 'Part Of Me' debuts at No. 1 on the Billboard Hot 100 chart. It's the 20th song in the chart's history to enter at the top spot, and Perry's seventh No. 1 on that chart. (Billboard)

+ Meanwhile, Katy Perry will guest star on Fox TV show "Raising Hope" March 6. (Entertainment Weekly)

+ Adele seems to always win, and with those pipes she's earned it. Breaking her own record of 21 albums sold in one week and the most albums sold post-Grammys (730,000 copies), she's also the first artist to go double platinum on iTunes. #hotdamngirl (MTV News)

+ Check out the new "DoYaThing" song collab with Gorillaz, Andre 3000 and LCD Soundsystem's James Murphy. You can download it for free on Converse's website. (Rap-Up)

+ Confession: I've been crushing out on our pres for a while. Watching President Obama front a bit of "Sweet Home Chicago" with B.B. King, Mick Jagger, Jeff Beck, Buddy Guy and Susan Tedeschi backing him, well, that's extra swoon worthy. Peep it here. (E!)

+ Guitarist Christopher Reimer, of Calgary band Women, passed away in his sleep. The cause of death has not yet been determined. He was 26. (Pitchfork)

Photo credit: Getty Images