He has put his reality star days behind him.

But that certainly doesn't mean David Foster has been ditched from the Beverly Hills social circuit.

The onetime Real Housewives Of Beverly Hills star caught up with former castmate Lisa Vanderpump at DailyMail.com's White Party on Wednesday night.

The pair posed happily for pictures, alongside DailyMail.com's Piers Morgan, as they enjoyed a drink at Lisa's Pump restaurant in West Hollywood.

They're all white! On Wednesday night, Lisa Vanderpump posed with Yolanda Hadid's ex-husband David Foster and Piers Morgan at the DailyMail.com Summer White Party in West Hollywood

Partners in crime: The Grammy-winner and restaurant owner are both now infamous for their contention with Gigi Hadid's mother

Lisa sparkled in a white broderie anglaise jumpsuit that highlighted her curvy frame.

Meanwhile, record producer David, 66, spruced up his white blazer and slacks with a leopard print pocket square. A dark grey T-shirt gave the pop singer the casual aura of his profession.

The 16-time Grammy winner certainly seemed happy to see Lisa, who he knows well from their time on RHOBH.

Single man: The Canadian musician was married to his fourth wife, Yolanda Foster (now Hadid), for four years

Smile! The Vanderpump Rules star hosted DailyMail.com's White Party

David's now estranged wife Yolanda Hadid starred on the show.

She and David announced the end of their four-year marriage in December.

He had been at the former model's side throughout her battle with Lyme Disease, as chronicled on the show.

Bosom buddy: Jonathan Cheban, famous for his chummy relationship with Kim Kardashian, was among the star-studded guest list at Wednesday's party

Strike a pose: The Londoner horsed around for the camera with Kyle Richards, who has appeared on RHOBH since 2010

New girl on the block: The 55-year-old is an old friend of Dorit Kemsley, who will be joining the RHOBH for its seventh season

In February, Yolanda, who was previously married to property developer Mohamed Hadid, told Watch What Happens: Live! she had returned to the name of her first husband.

Her three children by Mohamed - models Gigi, Bella, and Anwar - had apparently persuaded her to do so instead of retaking her maiden name.

Following Yolanda's decision to leave RHOBH, Vanderpump's designer friend Dorit Kemsley was revealed as her replacement.

Work followed them! Rich Kids Of Beverly Hills co-stars Jonny Drubel and Morgan Stewart more than honored the party's wear-white rule

The more, the merrier: Raquel Leviss posed with a guest while attending to support her boyfriend, Vanderpump Rules' James Kennedy, who DJ'ed the party

She attended Wednesday's party in a sleekly sexy strapless white dress.

Lisa and Ken Todd co-hosted Wednesday night's party at their venue. The starry guest list featured such TV personalities as Kyle Richards, Jonathan Cheban, Morgan Stewart and Jonny Drubel.

Also in attendance was Vanderpump Rules' own James Kennedy, who DJ'ed the party and brought his gorgeous girlfriend Raquel Leviss.

Beach-body ready: (from left) Surfer Holly-Daze Coffey, model Sarah McDaniel and surfer Ellie-Jean Coffey showed off their summer tans at the West Hollywood event

Family and friends: A guest (left) accompanied Lisa's daughter Pandora Vanderpump Sabo (center) and her husband Jason Sabo (right)