India, June 29 -- Elon Musk's Indian-origin partner Shivon Zilis wished him a happy birthday with a then-and-now picture collage on the social media platform X. Zilis shared a throwback picture of Musk with a birthday cake, alongside a more recent picture of the world's richest man with a similar clown-shaped cake.

"Happy birthday rocket man," she wrote.

Shivon Zilis and Elon Musk have four children together: twins Strider and Azure (born in November 2021), a daughter named Arcadia, and a son named Seldon Lycurgus.

Their children were not pictured in this particular birthday post, but do appear occasionally on Shivon Zilis' X page.

Shovon Zilis is a Canadian businesswoman and executive at Neuralink, the neurotechnology company co-foun...