Serena Williams weight loss explained: How tennis star lost over 30 pounds after birth of second daughter originally appeared on The Sporting News Longtime tennis star Serena Williams revealed Thursday that she's lost more than 30 pounds during an appearance on NBC's "Today."

Williams has been making headlines lately for her significant weight loss transformation. And now she's opening up about it!

Serena Williams, one of the most successful athletes of all time, has spoken out about using weight loss drugs - she says, to lift the "stigma" around using such medication. Will her outspoken comments instil a new sense of confidence in those using the drugs? And could her honesty quieten the critics?

Serena Williams tells LA Times Studios in an exclusive interview how motherhood and her active lifestyle inspired the creation of WYN Beauty — a clean, high-performance makeup brand that honors her legacy and champions a more inclusive future for her daughters.

Test your knowledge of this week’s news, and take last week’s quiz here. Jeremy Mikula is the weekend director of platforms for NBC News. Nigel Chiwaya is the Senior Editor, Data Viz for NBC News Digital.

The US Open has thrown up plenty of upsets over the years, with a string of top players humiliated by lower ranked opponents. The Flushing Meadows tournament has been notoriously open in recent seasons, with six different men lifting the trophy over the last six years and six different women tasting success over the same period.

Serena Williams has opened up about how she used weight loss medication to lose over 31 lbs (14 kgs) after her pregnancies.

Serena Williams gave an update on sister Venus Williams' wedding during an appearance on the 'Today' show on Aug. 21. She also opened up about how planning events for her sister's nuptials has been "overwhelming.