Ciara loves her Calvins.
Singer Ciara is proud of her 60 pound weight loss so she's posing without clothes.
In her Calvins, the singer first posted this pic on Friday just four months after delivering her "9 lbs. 10 oz. baby."
LoadingI feel so proud to say that 4 months after delivering a 9 lbs. 10 oz. baby, I can finally rock My Calvin's! #mycalvins
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She also posted this shot of her post-baby body saying, "After Delivering My Son I Feel Like There's Nothing I Can't Do. I Feel Like I Can Conquer The World. #ANewMe #NewMusic. So Proud To Rock #mycalvins 60lbs later!"
LoadingAfter Delivering My Son I Feel Like There's Nothing I Can't Do. I Feel Like I Can Conquer The World. #ANewMe #NewMusic. So Proud To Rock #mycalvins 60lbs later!!
The 28-year-old welcomed a baby boy named Future Zahir Wilburn with Rapper Future on May 19.
NEWS: Ciara and Future Welcome Baby Boy
Ciara and Future were engaged, but they called off their engagement this past August.
NEWS: Ciara and Future Call Off Engagement
Ciara is not the only star to have a dramatic weight loss after giving birth. Melissa Joan Hart lost 40 lbs. after giving birth to her third child. Watch her talk about how in the video below.