Adele's weight.
TheThe Oscarson Sunday (February 24).

Rivers held out her hands and puffed out her cheeks when Letterman described Adele as a "lovely woman" - causing the crowd to boo her.
The comedienne took no notice of the audiences jeers, and went on to add: "What's her song? 'Rolling in the Deep'? She should add fried chicken."
This is not the first time Rivers has mocked Adele's weight, previously writing on Twitter after The Oscars: "On Sunday night, you could easily pick Adele's Oscar statuette out of a lineup. It was the only one wearing Spanx."
Last year, designer Karl Lagerfeld famously branded the Someone Like You hitmaker "a little too fat" - prompting huge backlash in the media.
He is later said to have [uuid=a29d4065-ee72-4018-9718-16b65655a5eb]apologised to Adele[/uuid] by sending her a batch of Chanel handbags.