Demi Lovato and Ashlee Simpson teamed up in Los Angeles Wednesday night (Sept. 28) for an epic onstage mashup of their respective 2000s singles "La La Land" and "La La." In a video shared by a fan on ...

“Please give it up for Ashlee Simpson,” Demi announced through the microphone, which received loud cheers and screams from the audience. Ashlee suddenly rushed onto the stage and started performing ...

Demi Lovato is dabbling in nostalgia — and is taking one of her musician friends along for the ride. During the “29” singer’s Los Angeles tour stop at the YouTube Theater on Wednesday (Sept. 28), she ...

In the early 2000s, there were a few songs that we always wanted to listen to: “Bring Me to Life” by Evanescence, “Yellow” by Coldplay, and of course, “La La” by Ashlee Simpson. Simpson’s edgy jams ...

Demi Lovato was recently joined by an unexpected guest on her "Holy Fvck" tour. In a rare appearance, Ashlee Simpson returned to the stage at Lovato's concert in Los Angeles on Sept. 28. While ...

Demi Lovato’s latest concert featured a very special guest. On Wednesday, Sept. 28, the “Skin of My Teeth” singer, who uses she/her and they/them pronouns, performed at the YouTube Theater in ...

Last night at the Los Angeles date of the HOLY FVCK tour, Demi Lovato threw it back to 2004, covering Ashlee Simpson’s fiery pop-punk hit “La La.” For the momentous occasion, they enlisted the pop ...

One could probably write a dissertation about the fame trajectory of Ashlee Simpson-Wentz–sister of Jessica, daughter of Papa Joe, later the hyphenated spouse of Pete– and how the limelight dealt with ...

La La singer Ashlee Simpson has bought and moved into her first home in California. Simpson, currently filming movie Wannabe, has moved into the Studio City residence in California and is sharing it ...

Rich Fury/Getty Images for OBB Medi; Phillip Faraone/Getty Images Demi Lovato‘s “Holy Fvck” tour stop in Los Angeles last night came with a nostalgic and unexpected surprise performance from Ashlee ...