August 4, 2015 1:22 PM EDT

The 42nd President wished the 44th President a Happy Birthday on Twitter—with a wink toward the First Lady.

“Happy birthday, @POTUS! Hopefully when @FLOTUS isn’t looking you can have some cake. #44turns54,” Bill Clinton wrote Tuesday on Twitter.

Obama turned 54 on Tuesday. Neither Obama nor First Lady Michelle Obama (@FLOTUS) had responded to Clinton’s birthday tweet as of early Tuesday afternoon.

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Write to Tanya Basu at tanya.basu@time.com.

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