Following her recent split from DJ Zedd, Selena Gomez already has a new man in her life.

Perhaps she's trying to fill a void?

The "Come and Get It" singer is reportedly hooking up with Haze Banga, a music producer that ex Justin Bieber really wants to work with. The two were spotted together on a Mexican getaway.

Hmmm, now it's becoming clearer.

"They started flirting online and it quickly became physical," a source told InTouch Weekly.

Gomez may just be trying to make Bieber jealous (on all accounts), and it is definitely working.

Her new fling should come as no surprise, as Gomez is receiving a lot of attention because of her new "curves."

Gomez has been scrutinized for her weight gain, but her fuller figure is just another reason the men seem to flocking toward her.

The 22-year-old singer recently wore several tiny bikinis, which sparked a slew of negative comments about her body, but others praised her sexiness.

"Justin is a huge fan of how she looks with a few extra pounds," a source told HollywoodLife.com.

Bieber claims that this is "the sexiest she's ever looked."

Rumors have been circulating that he still has feelings for Gomez, and those feelings may be mutual.

The reason for Gomez's split from Zedd, 25, isn't clear, but insiders revealed that Zedd expressed that he always felt like he was "number two" in her life, even though she never openly said that she was still in love with Justin.

Gomez likes to keep a close eye on Bieber, and she checks his social media accounts all the time and does her homework on his new girlfriends.

Bieber likes to get under her skin, as well, by posting pictures of the women he's seeing on his Instagram.

But, is Gomez really into the Grammy-nominated producer?

"One of the reasons she's hanging out with Haze is to make [Justin] jealous," the source said. "Selena knew this and that's why they started messaging each other - and she made sure to be seen with him on vacation."

"She's desperate to stick it to Justin," the insider added.

Will she win J-Biebs back, and more importantly, should she?