Paul McCartney and Ringo Starr Reunite on Stage, Joss Stone's Shocking Pregnancy after Adopting, National Ugly Christmas Sweater

Sir Paul McCartney and Sir Ringo Starr reunite on stage.

The former Beatles bandmates stunned fans when Starr joined McCartney at the final show of his Got Back Tour at London's O2 Arena last night.

The drummer was brought on stage to thunderous applause before the pair played 'Sgt.

Pepper's Lonely Hearts Club Band,' followed by 'Helter Skelter.'

Joss Stone announces shocking pregnancy after adopting a baby boy.

The singer is expecting her 4th child.

The 37-year-old took to Instagram yesterday to announce the surprise pregnancy.

'Honestly.

Shocked was an understatement...nothing and no one can take our joy now.

We are so chuffed !!!!,' she captioned a video of her reaction to the positive pregnancy test.

The news comes just a few weeks after she announced that her husband Cody DaLuz and she had welcomed their third child -- a son named Bear -- via adoption.

National Ugly Christmas Sweater Day is celebrated.

When it comes to ugly Christmas sweaters, the uglier the better!

Put on the most hideous one you can find and get into the holiday season.

National Sangria Day is recognized.

The Spanish spiked punch made with fresh fruit and wine that can be served year-round.

Try a festive winter sangria for a delicious seasonal sip.

In today's birthday news: Drummer Peter Criss 79, TV/film producer Dick Wolf 78, bassist Mike Watt 67, musician Billy Bragg 67, The Black Crowes' Chris Robinson 58, director Todd Phillips 54, Jonah Hill 41.