Perez Hilton — A month ago, we reported that Tim Tebow and Olivia Culpo were supposedly linked up! Well, it sounds like things are still going well for the hot rumored couple! Ooh la la! Related: Kate Hudson & Nick Jonas Hooking Up?? So well in fact, that a source ... more info

TMZ — Demi Lovato had no guilt over 86ing Adam Lambert from her upcoming world tour, hopping onstage with Nick Jonas for a private concert Monday night in New York City. The tour's still 8 months away ... but the two were already warmed up for… more info

Mercury News, California — Future Now: The Tour stops at SAP Center in San Jose on Aug. 18. more info

TMZ — ON TODAY'S SHOW Khloe Gives Lamar Odom an Ultimatum Jimmy Fallon Suffers Yet Another Injury Chris Brown & His Baby Mama are Finally Working Together Adam Lambert Gets Dumped for Nick Jonas SKYPE US TMZTVSHOW TWEET US Tweet to @TMZLIVE more info

Perez Hilton — They just made history! Demi Lovato may have been confident in her fifth studio album… but it looks like Pentatonix actually had more to be happy about. That's because the quintet just became the first a cappella group EVER to score the No. 1 album... more info

Perez Hilton — We love reunions! Nick Jonas and Demi Lovato are both on fire right now, which is why we couldn't be more excited for this! The Jonas brother just officially confirmed that the rumors are true — he will be touring with none other than Miz Lovato in... more info

Perez Hilton — As if Saturday night's We Can Survive concert in Hollywood didn't have enough big names! After performances by 5 Seconds of Summer, Demi Lovato, Nick Jonas, Sam Smith, Maroon 5, Calvin Harris, and The Weeknd, the well-sated crowd was treated to desse... more info

TMZ — Adam Lambert is cool as a cucumber on the outside, saying he's got no beef with Demi Lovato after she dumped him from her world tour for Nick Jonas.  Lambert took to Twitter Saturday, saying, "No beef tween Demi & Nick and me. Biz… more info

Perez Hilton — It's been a controversial 24 hours in pop music! Last night, we ran a story on the decision made by Demi Lovato to replace Adam Lambert on her concert tour with Nick Jonas, and sources indicated Lambert was MAD about the whole deal! Related: Demi Lov... more info

TMZ — Demi Lovato dropped Adam Lambert from her upcoming world-tour for Nick Jonas! Hear Harvey's take.  more info