American singer Mariah Carey and her businessman boyfriend James Packer threw a Halloween party on Saturday that was attended by Carey’s ex-husband Nick Cannon.

Carey and Packer hosted a Halloween party for kids in Beverly Hills. The couple rented a private Airbnb mansion for US$15 million (approx. AU $20.82 million) for the party venue. This event included numerous fun-filled activities like dancing and bobbling.

Carey, 45, showed up as a witch at her own event and was dressed in a sexy black leather gown. Canon, on the other hand, opted for a more casual outfit and sported a dark green sweatshirt. He completed his Halloween look with a Hulk mask. Carey’s boyfriend Packer, 48, was suited up as usual but donned an "Phantom of the Opera"-themed mask to add that spooky touch.

Carey and Cannon’s 4-year-old twin kids, Monroe and Moroccan, were dressed as super heroes--. Batgirl and Batman. Carey took to Facebook and Twitter on Monday to share a photograph from her Halloween party. Carey captioned the photograph in which she is seen with her “superhero” kids as, “A #ghoulicious time with dem babies #halloween.” She lovingly calls her kids as “dem babies.”

During the party, Cannon, 35, was also seen shaking a leg on the dance floor, US Weekly reported. He also took a moment to play with his daughter on the stage.

Carey and Cannon married in the Bahamas on April 30, 2008. She gave birth to their twins--Monroe and Moroccan on April 30, 2011. The couple ended their six years of marriage in Dec. 2014. The exes have sorted their differences and were quite amicable at the bash. "Mariah and Nick got along great and were super friendly towards one another," E News was informed by a source.

"We've always been people who are kinda on the go, coming and going, so their life hasn't changed one bit. We spend holidays together, we do everything that we're supposed to do together," Cannon revealed on Meredith Vieira Show after his separation from Carey.

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