David Letterman sounds like he's enjoying the Indy 500 party atmosphere [Vine]

Letterman is all outta bleeps to give. https://t.co/K1t5D3Vq7M

— RWB Culture (@RWB_Culture) May 28, 2016

The Indianapolis 500 is tomorrow, and car owner David Letterman made a rare public appearance:

Late-night icon & IndyCar owner David Letterman seems to be enjoying retirement. https://t.co/WSRkRO1Pr9

— SportsCenter (@SportsCenter) May 28, 2016

Is he starting to look familiar?

https://twitter.com/LONG_DRIVE/status/736585921605165056

@vine my other car is a sleigh pic.twitter.com/3hSgrTKNrT

— Brian Izzo (@eyezeezeeoh) May 28, 2016