In the Season 5 finale, Justin wants to take his relationship with Kristin to the next level, but she's still not sure she can trust him. Meanwhile, Spencer confronts Heidi about her sneaky ways.

Jayde clashes with Kristin after deciding she wants Brody back; Heidi hatches a plan to get pregnant---with or without Spencer's consent; Audrina deals with the fact that Justin still has feelings for Kristin

Brody and Kristin consider rekindling the flame; Justin and Audrina talk about their future.

Justin tries to play hard to get with Kristin, but his plan backfires; Holly continues to drink, leading Heidi and Stephanie to stage an intervention; Brody and Jayde have another fight that has him questioning his relationship.

Kristin thinks she has tamed Justin Bobby, but Justin may not be over Audrina just yet. Plus, Holly loses control at an event forcing Heidi to make her sister confront her drinking problem.

Kristin isn't pleased when Justin's a no-show at Brody's party and Audrina moves on with Justin's best friend.

In Lauren's final episode, she decides to attend Heidi and Spencer's wedding. Holly gets upset due to Spencer and has a meltdown at the reception party, and Kristin Cavallari returns to stir up some fun and some drama for ex Brody, and former enemy LC. La

Heidi extends a wedding invitation to Lauren, who receives a surprising phone call from Spencer.

Spencer tries to save his relationship with Heidi by asking her cowboy dad's permission to get married. Plus, Lauren must fire Stephanie from People's Revolution, risking their friendship.

Lauren trusted Stephanie with an important task at People's Revolution that she didn't follow through on. Kelly finds out and wants Lauren to fire her. Meanwhile, Audrina breaks it off with Justin before he's able to confront her about Hawaii.

Audrina is heartbroken when Brody’s girlfriend confronts her about Hawaii, and Brody does nothing to stop it. Meanwhile, Heidi intercepts a text message from Stacie to Spencer and goes to the nightclub to confront her.

Audrina tries to get over Justin by hooking up with Brody; Heidi's ex-boyfriend visits.

Heidi and Spencer go to therapy to try and resolve Spencer's issues. Also Audrina admits she has a little crush on Brody and might cause some drama considering Brody has a girlfriend.

Stephanie gets a big opportunity as Lauren's boss invites her for a job interview.

Heidi and Spencer evaluate their relationship after the bar scene and Lauren scolds Stephanie for pushing Heidi on her.

Lauren lands in tears during her surprise birthday party when Heidi rocks the boat by showing up uninvited. Plus, Spencer takes a swing at Stephanie's ex-boyfriend, Cameron.