On May 20 2015, Madonna acknowledged David Letterman’s retirement on Twitter:
@letterman Awww Dave I’m gonna miss you! Where am i gonna go on T.V. When I wanna say the F word? do you still have my panties???? this ❤#rebelheart loves you! – Madonna
On May 20 2015, Madonna acknowledged David Letterman’s retirement on Twitter:
@letterman Awww Dave I’m gonna miss you! Where am i gonna go on T.V. When I wanna say the F word? do you still have my panties???? this ❤#rebelheart loves you! – Madonna
Today In Madonna History 
Despite their testy friendship, both Madonna and David Letterman have Rebel Hearts!