Serena Williams is marrying Reddit cofounder Alexis Ohanian

Tennis superstar Serena Williams is marrying Reddit cofounder and Y Combinator partner Alexis Ohanian, according to a Thursday post she made on — where else — Reddit.

Williams and Ohanian have been in a relationship since late 2015, following her relationship with musician Drake.

According to Williams, Ohanian whisked her away to Rome, to the place where they first met, before popping the question:

Williams' post was on "r/isaidyes," a community she apparently made just to share this story.

"And you made me the happiest man on the planet," Ohanian replied.

Serena Williams through the years:

Ohanian cofounded Reddit with Steve Huffman, currently serving as CEO of the link-sharing site, in 2005. Reddit was eventually acquired by "Wired" publisher Condé Nast in 2006, but in 2011 it began operating as a separate subsidiary of Condé Nast parent company Advance Publications.

The couple has kept a relatively low profile — though, in November 2015, Serena Williams made headlines when she chased down a man who stole her phone at San Francisco's Mission Chinese restaurant while out with Ohanian.

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