Who is Serena Williams engaged to?

Image source, Reddit/ AP

Tennis star Serena Williams has announced that she is getting married.

She posted a poem on the social media site Reddit to say that her boyfriend, Alexis Ohanian, had asked her to marry him.

She said he proposed to her in Rome, where they first met - and she said yes.

Image source, Reddit

Image caption, Serena posted this poem to make the announcement

Serena won her seventh Wimbledon title this year, taking her to 22 Grand Slam titles overall.

Image source, AP

Image caption, Serena is currently world number two in the rankings, behind Germany's Angelique Kerber.

Alexis is the co-founder of Reddit and started it in 2005, with his friend from college.

Image source, Getty Images

Image caption, Alexis Ohanian