DailyEdge.ie rounds up the TV shows that you’ll be tweeting about tonight and talking about tomorrow.

U2 At The BBC (BBC1, 9pm)

The band head to Abbey Road studios to perform some of their biggest hits, along with some tracks from their new album Songs of Experience. There’s also a big interview with Cat Deeley. #u2atthebbc

The Big Picture – Homeless (RTÉ One, 9.35pm)

Homeless people and families talk about what Christmas is like when you don’t have a home to go to – a studio debate will follow on the causes and potential solutions for the ever-increasing problem. #thebigpicture

Christmas Then and Now (RTÉ One, 8pm)

Sinéad Kennedy delves into the RTÉ archives to find some classic Christmas TV clips, from vintage Toy Show fun to old festive traditions to John B Keane’s memories of his childhood Christmases in Kerry. #christmasthenandnow

Everybody’s talking about: GBBO Christmas special

We never knew we needed to see Paul Hollywood, Noel Fielding, Prue Leith and Sandi Toksvig lip sync to East 17′s Stay Another Day, but we really did.

This year’s special will air on December 25 at 7.40pm. Can’t WAIT.

Or flick over for…

• The Royal Variety Performance 2017 (TV3, 7.30pm) The Killers, The Script, and the cast of Annie the Musical are just some of the acts performing.
• Jamie’s Italian Christmas (Channel 4, 8pm) Jamie cooks up some traditional Italian festive food, like balsamic roast potatoes and tiramisu.
• Desperate Houses (RTÉ One, 8.30pm) The finale of this series sees another neglected house get a makeover, this time in the Donegal Gaeltacht.
• After The Headlines – Charlie Bird (RTÉ2, 9.35pm) Bird revisits a murder case falsely built by the Gardaí against a family in Co Donegal in 1996.
• The Best of Vincent Browne (TV3, 10.35pm) Ah Vinny B. TV3 compiles a selection of the broadcaster’s best bits, and we dearly hope this was included.