In fact, he looks like he would collapse by the end if he didn’t have the microphone stand to hang onto.
After his version of The Sweet’s “Ballroom Blitz,” I don’t think anybody can ever accuse Jay Leno of giving any less than his best for Lip Sync Battle.
As it is, I was half hoping that LL Cool J would call a time out and offer to let Leno remove his leather jacket.