It's that time of the year again - Halloween is here and celebrities have stepped up their game. Here's a look at some of the best costumes we've seen on social media from celebrities: One of the most popular shows in 2017, it's no surprise people were quick to get their <em>Game of Thrones</em> outfits on: From American television personalities Ryan Seacrest and Kelly Ripa as Cersei and Jaime Lannister: To singer Jason Derulo, who impressed as The Night King: Singer Ellie Goulding celebrated by dressing up as country music star Dolly Parton: While songstress Adele sported a costume a little harder to decipher. Is she a happy clown? A glamorous jester? Something in between? Singer Dua Lipa (who dressed up as Lydia Deetz From Beetlejuice, above) also got in on the act by dressing up as Harry Potter for a gig in Germany: <em>Modern Family</em> star Sarah Hyland nailed it as she dressed up with her beau as characters from <em>Stranger Things</em> (Eggos included): In a twist, Kristen Bell was 'forced' to dress up as Princess Elsa from <em>Frozen </em>by her young daughters (despite originally portraying the voice of Princess Anna): This is actually a spoiler for the film <em>Seven</em>, but since it's been 22 years since the movie came out, we thought it was OK: Actress Aubrey Plaza as Wednesday Addams couldn't be more perfect: Country singer Tori Kelly got a little help from her friends as she dressed as <em>101 Dalmatians</em> villian Cruella De Vil: Actor Will Poulter finally cashed in on the internet telling him he resembled a certain animation bully: Skylar Astin and Anna Camp decided to go as Wayne and Garth from <em>Wayne's World</em>: And finally, Kim Kardashian West and her friend Jonathan Cheban went for Cher and Sonny: ____________________ <strong>Read more: </strong> ____________________