Mark Zuckerberg and Priscilla Chan have been together since college in the early 2000s. A lot has changed since then, including their style.

Mark Zuckerberg surprised guests at his wife Priscilla Chan’s 40th birthday party with an unexpected outfit change. He first appeared in a classic tuxedo but then tore it off to reveal a shiny blue jumpsuit.

Turned forty surrounded by family, friends, laughter and dance," Chan captioned a series of stylish party snaps

Priscilla, dressed in a black gown and silky-beige shawl, was seen hysterically laughing at her husband’s antics. Guests, including women in gowns and men in tuxedos, clapped and cheered as Zuckerberg belted out his performance with the help of a live band.

Mark Zuckerberg made an impromptu costume change in celebration of his wife Priscilla Chan's 40th birthday. He pulled off a bold look and a performance to surprise his life partner. The Meta CEO was the host of the black tie party but stole the show himself with a surprise performance,

Meta co-founder Mark Zuckerberg celebrated his wife Priscilla Chan's 40th birthday in a totally pop style. Mark Zuckerberg wore Benson Boone's Grammy costume, a blue jumpsuit and recreated his Grammy performance.

Mark Zuckerberg celebrated the 40th birthday of his wife, Priscilla Chan, cosplaying as a pop star. The billionaire, who arrived at the event in a classic tuxedo, stripped down onstage to reveal a sheer blue jumpsuit underneath. The outfit was the same one worn by “Beautiful Things” singer Benson Boone at the 2025 Grammy Awards.

Priscilla Chan just turned 40, and her husband Mark Zuckerberg pampered her with a lavish party, proudly sharing the celebration.