Joe Jonas & Ashley Greene Party Together in Las Vegas

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Although Joe Jonas and Ashley Greene ended their relationship in March, there doesn’t appear to be any bad blood between them. While in Las Vegas at the iHeartRadio Music Festival, the twosome reunited to party the night away at TAO Nightclub on Saturday evening. The two have remained friends and “seemed at ease” hanging out and taking in the crazy VIP scene, an onlooker tells Celebuzz. Could they be rekindling their romance? Only time will tell.

Celebuzz readers — do you think these two should start dating again? Sound off in the comments.

Joe seems to be playing nice with all his ex-girlfriends lately. In August, the “Just in Love” singer attended Taylor Swift’s concert in Los Angeles. A few days later, he reunited with Demi Lovato at the 2011 MTV Video Music Awards. The two had what looked to be a friendly run-in and seemed to be on good terms as they chatted and embraced.