Amber Rose and Wiz Khalifa may have split in 2014, but they aren't letting that fact get in the way of celebrating their son's birthday. The parents came together last week to honor Sebastian's fourth birthday in the best way possible: with a costume party. Both Amber and Wiz dressed up as super heroes—Batman and Batgirl to be exact— for the party as Sebastian had his face painted like The Joker. The birthday bash featured a three-layer cake, and tons of presents and friends as the exes honored their son.

Amber and Wiz's photo proof

While the couple was plagued by rumors of infidelity during their brief marriage, Amber and Wiz have seemed to get past the issue as they continue to co-parent Sebastian.

Both the model and the rapper shared images from the birthday party on social media, where Wiz can be seen looking at Amber in a loving way.

This wasn't lost on Amber's Instagram followers as people left comments on the post telling the couple to get back together. "Get back together! Such a cute family." Her fans also pointed out the way Wiz gazed at her provided for a sweet photo as it's clear her ex-husband still has love for her. "The way he's looking at her.."

The 33-year-old mother included family photos that show them having a memorable time together. Wiz also posted some of these photos on his social media as he shared the special day with fans. The rapper can be seen embracing his young son while all smiles in what may be one of the cutest photos he's ever posted.

Sebastian's famous guests

He may have just turned 4-years-old, but Sebastian Taylor Thomaz already has a slew of famous friends behind him. Celebrity blogger Perez Hilton was in attendance with his daughter, Mia, as he shared a tweet thanking Amber for having them. Of course, Blac Chyna and Tyga's son King was also at the party as he and Sebastian were photographed rough-housing.

People magazine also reported that Lamar Odom, Tess Holliday, and Tom Arnold were also in attendance, which proves Sebastian's party had quite the turnout.