Article continues below advertisementBritney Spears is once again grabbing attention online - this time with a bold throwback post shared just hours before she reportedly entered rehab.On Sunday, April 12, the pop icon took to Instagram to upload an older video of herself dancing in a black see-through bodysuit that showed off her figure. She styled the look with thigh-high boots, a black choker and a dramatic wide-brim red hat, confidently spinning and moving to "I Like It" by Cardi B.