Matthew Lewis' Neville Longbottom Meets Millie Bobby Brown's Eleven from 'Stranger Things'!

Matthew Lewis has met Millie Bobby Brown, and both of them definitely had a fangirl moment. The 27-year-old actor, who plays Neville Longbottom in the Harry Potter movies, posted a selfie on his Instagram of himself with the 12-year-old actress, who portrays Eleven on Netflix’s Stranger Things, on Sunday (October 16). Check it out below!