Janet Jackson shows off 50-pound weight loss as she reunites with ex Wissam Al Mana in court

Janet Jackson was out in London rocking a slimmer post-baby figure.

The 51-year-old singer and her estranged billionaire husband, Wissam Al Mana, were both seen leaving court on Friday.

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EXCLUSIVE: Janet Jackson Receives Over 100 Roses and Orchids From Estranged Husband on Her 51st Birthday

Earlier this month, a source close to the Jackson family told ET that the pop superstar had dropped 50 pounds since welcoming her first child, Eissa Al Mana, on Jan. 3, noting that the new mom has been "training, dieting and eating clean," as she prepares to head back on tour this fall. The source also said that Jackson is planning on bringing Eissa with her tour.

See more photos of Janet Jackson through the years:

And despite the split between Jackson and Al Mana earlier this year, it seems as if the former couple is keeping things amicable.

EXCLUSIVE: Janet Jackson Has Lost 50 Pounds of Post-Baby Weight, Source Says

"Janet and her husband are separated, but have a mutual love and admiration for each other," a source told ET in May. "There doesn't seem to be a reconciliation in the future, but never say never."

Watch the video below for more on Jackson gearing up to get back on the road after baby.