Bill Clinton’s emotional birthday celebration (VIIDEO)

Former President Bill Clinton was a little worried about his ticker during Lady Gaga's number — and it wasn't because the blonde-bewigged singer tossed out the occasional curse word during a live-streaming concert celebrating his foundation's 10th anniversary.

The former president said he'd received advance warning that Lady Gaga was planning what she called her "Marilyn moment," and he was worried about what she had up her sleeve.

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