Go Behind-the-Scenes of the Sundance Film Festival!

PEOPLE mingles with the stars at the annual event in Park City, Utah

Photo: Al Powers/Invision/AP

Every year, Hollywood invades Park City, Utah, for the Sundance Film Festival.

This year, celebs like Nick Jonas and Daniel Radcliffe are making the most of their time in the snowy small town by rubbing elbows with their fans and hitting up the festival’s biggest parties – and PEOPLE has been there to capture all the fun moments.

2:15 a.m., TAO Park City: Hey, Nicky, you’re so fine! Jonas danced and sang along to songs like “Micky” by Tony Basil during DJ Vice’s set at the pop-up nightclub presented by Tequila Don Julio. Earlier in the night, he partied with his Goat costars at Chase Sapphire Preferred’s private party celebrating the film.

11:30 p.m., the Samsung LEVEL late night party: Sophia Bush (showing off her festival fashion in Sorel boots) made it a girls’ night out with eight of her girlfriends. The party of nine sipped on Moët Nectar Impérial Rosé and danced and sang along while Diplo took to the stage for his DJ set.

10:25 p.m., Stella Artois Filmmaker Lounge at Village at the Lift: Yoga HosersNatasha Lyonne and Love & Friendship‘s Chloë Sevigny looked like best friends at the beer brand’s kick-off party. After greeting each other with a hug, the two spent time chatting and catching up.

9 p.m., Bar 53 and 50 Bleu Lounge at Rock & Reilly’s: Elijah Wood and his DJ partner Zach Cowie spun vinyl at the pre-party for The Greasy Strangler. Celebs like Geoff Stults enjoyed Mellow Mushroom pizza and danced along to the mix of ’70s and ’80s groove and funk tracks.

8:35 p.m., the Marc Theater: Don Cheadle grabbed a hand-held mic to introduce his new film Miles Ahead. “I feel like a rapper,” the film’s director and star said at the premiere screening before introducing his costars Ewan McGregor and Emayatzy Corinealdi.

6:20 p.m., the Acura Studio at the Sky & Main Hotel: Daniel Radcliffe and girlfriend Erin Darke made a date night out of the party celebrating Swiss Army Man. “They were kissing, hugging, even rubbing noses. It was so cute,” an onlooker tells PEOPLE.

5:05 p.m., Applegate’s "Reel Food" Cafe: Morris from America‘s Craig Robinson met up with Sleight‘s Dulé Hill over hot dogs at the pop-up café. It was actually Robinson’s third hot dog of the day!

3:15 p.m., Kari Feinstein’s Style Lounge: The Birth of a Nation star Nate Parker stopped by with pregnant wife Sarah DiSanto. The couple gushed about being excited to welcome their baby girl. Other People producer Adam Scott and his wife Marie Kojzar were also celebrating a new addition to their family: a labradoodle. At the Petcube booth, the two lamented about missing their new pup when they are out of town. And it seems Sophie and the Rising Sun actress Diane Ladd (mom of Laura Dern) is quite the early planner! She was spotted saying she was already looking for Christmas presents at the Freed & Freed pop-up booth. Later, she ordered boots for her daughter and pal Courteney Cox at the Blundstone boots activation in the Hollywood Reporter lounge.

11:15 a.m., The IMDb Studio: Ever wonder what ridiculously ripped Nick Jonas eats for breakfast? Well, he was spotted chowing down on a Wholly Guacamole breakfast burrito while at the venue to do press for his film Goat. And as if he wasn’t swoon-worth enough, he’s also a good friend. He made sure to grab a burrito for his costar Ben Schnetzer, too.

11:00 a.m., the Eddie Bauer Adventure House: It was all about love at this pop-up lounge. Weiner-Dog‘s Zosia Mamet stopped by to have a jacket embroidered for boyfriend Evan Jonigkeit. Later, Adam Scott and wife Marie Kojzar enjoyed coffee and lunch date at the venue. “They were so lovey-dovey,” an onlooker tells PEOPLE.

8:45 p.m., the home of ChefDance founders Mimi and Kenny Griswold: Chris Meloni and Harry Hamlin started the festival celebrating a good cause: Operation Smile. Newly engaged Ben Lyons cuddled up with fiancée Mariah Perkins – whom he met two years ago at the Cannes Film Festival – while Meloni spent the evening playing pool at the “SmileDance” event presented by Velocity.

6:15 p.m., the Acura Studio at the Sky & Main Hotel: Trainwreck director Judd Apatow arrived at a private dinner celebrating his daughter Maude Apatow‘s new film Other People. “This is an amazing opportunity for her,” the elder Apatow gushed about his daughter to another guest.

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