The Ray star, who was spotted in a late night romp with Vave earlier this week, showed up with the sexy aspiring singer at the Malibu chili cookoff on Saturday, August 31.
Foxx strolled in a group of friends and family members with Vave tagging along.
Among the crowd was Foxx's daughter Annalise Bishop, 10, who wore a colorful Nike sweatshirt and pink trousers.
Vave wore a light pink corset-style tank top that showed off her curves.
As RadarOnline.com has reported, a source said Holmes, 40, is "livid" that Foxx, 51, is hanging out with Vave, 21.
That's true even though Radar confirmed that Foxx and Holmes have split.
While Foxx has claimed that Vave is just a singing protégé, he's caused romance rumors by being photographed with the much younger lovely multiple times.
An insider told Radar about Holmes' reaction: "They had an agreement to play fair and not embarrass the other by stepping out with anyone else in public – but Jamie's done exactly that and she's livid. They had an open arrangement provided he never rubbed her face in it, which of course he's done over and over again."
As fans know, Foxx was spotted leaving Bootsy Bellows nightclub with Vave, which led to dating talk.
They were also together recently at Delilah restaurant in West Hollywood, CA.
Radar has reported that Vave is living with the star.
And now, he's taken her to a high-profile celebrity-studded event in Malibu!
Scroll through Radar's gallery for more.
Kick Back Day
Foxx was looking like one -- as Vave was part of his big group at the Malibu event.
Labor Day Weekend Love?
Eagle-eyed onlookers, however, identified the sexy singer as part of Foxx's posse on August 31.
Foxx has had a long on-again, off-again relationship with Tom Cruise's ex-wife Holmes. Radar exclusively learned they have broken up.
"Sela's basically living at Jamie's place right now," an insider has claimed to Radar. "She's been staying there for weeks, hanging with Jamie's friends and jamming in his music studio when they're not kicking back and partying on the other side of the mansion."
Mentor Or More?
The source added about Foxx and Vave, "Things are pretty intense between them. He adores her and the feeling is mutual."
Foxx was seen with Vave at the chili cookoff, but on Wednesday, August 28, he told Big Boy's Neighborhood on Real 92.3, "People are saying I'm dating the girl, let me just say this, that's absolutely not true."
The star appeared to thoroughly enjoy himself at the Labor Day weekend cookoff event which always attracts the Kardashians and other stars.
Foxx has shrugged about Vave romance rumors on Instagram, "People try to make mountains out of molehills." He's claimed he's just helping her career.
Still, the actor seems to be spending a lot of down time with the beauty.
For her part, Foxx's new companion has told followers on social media, "You can keep talking and calling me a whore, slut, home wrecker, thot, gold digger, that I should die, and what ever else you want. Because it doesn't matter to me, I'm out here to work and do what I love most. #music " #killthedoublestandard."
Foxx didn't share any PDA with Vave at the cookoff, but on Aug. 17, they were photographed holding hands as they left Bootsy Bellows nightclub in L.A.
The star said he'd locked palms with Vave while departing because, "I'm escorting her to my car, to put her in the car." She was included in another social outing on Saturday.
Part Of The Family
Foxx has noted that Vave is friends with his daughters, Annalise and Corinne, 25.
The former In Living Color funnyman said about Vave, "I don't date in my daughter's range ever. I always try to make sure that my daughter can look at me and say, 'Hey dad, you ain't screwing up.'"
But it's clear singer Vave is close to Foxx. He was all smiles at the cookoff and she hung out with him all day. Foxx has said she's a potential Beyonce! Plus, his family seems to have accepted the situation.