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Britney Spears back has been back in the lime-light in a big way

First, she pranked Jimmy Kimmel — with the help of his wife — by waking him up while gyrating on his bed (her dancers had some fun, too):

Then, she released some smoldering bikini pics on Instagram:

Still dreaming a mile a minute… đź’™

A photo posted by Britney Spears (@britneyspears) on

Not to be outdone, Jessica Simpson has roared back, too, in this photo shoot for Women’s Health. Simpson gave us a behind the scenes look at what she’s been up to these days — and how she’s stayed in amazing shape.