Win this Woman in Black film poster signed by Dan Radcliffe, plus a DVD! US residents only http://bit.ly/MdRxBi

Here's a bit of mid-week, pre-New Year's #Tupert cheer with @TomFelton & Rupert Grint, courtesy of @GreatOrmondSt.

Seasons greetings from @WB_StudioTour. Pre-book your tickets for Harry Potter Leavesden tour: http://bit.ly/tTCcF3

Check out @TomFelton, Rupert Grint & @StavrosFlatley at the @GreatOrmondSt Friends Christmas party this week!

Have you spotted the mystery in this @CBSFilms' @WomanNBlack mirror stand, across malls in the U.S.?

Butterbeer toast with James and Oliver Phelps.

Butterbeer for all!

James and Oliver Phelps just annouced "Hogwarts is coming to Hollywood!"

Loads of Universal execs in House scarves

Marquee on the Globe Theatre at Universal

Press is gathering for the big announcement

From the first day of filming at Hogsmeade Station, to the very last at King's Cross, long live Harry Potter.

Still a few hours left to get @WarwickADavis' Willow shirt, all proceeds of the @ShirtPunchTees for @MakeAWishIntl

Waiting on the Harry Potter cast & crew to arrive on the carpet, keep an eye on the WB livestream too

A little red carpet set up for the Harry Potter Home Ent Celebration tonight

James said filming George's ear loss scene was emotionally charged

Rupert on a Twitter: he said maybe as a way to interact with fans

Rupert said he loved filming the epilogue because he loved wearing the fat suit

Rupert said the first Potter movie was his favourite

Here's the Weasley fan panel with Rupert, James & Oliver, Mark Williams & Domh Gleeson