No "Stone Cold" hearts to see here: It's all love for Demi Lovato, who enjoyed an evening out with her rumored new boyfriend, MMA fighter Guilherme "Bomba" Vasconcelos, on Wednesday (January 18), the two attending her ex Joe Jonas' band DNCE's concert in Los Angeles.

After Vasconcelos shared a sweet black and white photo of the him and Lovato cuddling on Instagram, Jonas "liked" the post, giving his pop star ex-girlfriend and her new beau his seal of approval.

See the photo below:

Rumors of romance between Lovato and Vasconcelos first sparked during last July, but their relationship was practically solidified when the MMA fighter shared a photo of the pair spending New Year's Eve together on December 31.

Stars Who Have Opened Up About Mental Illness:

More From MIX 108