The exciting evening took place inside The Whitby Hotel.
Jill, 55, was all smiles with her boyfriend Gary Brody while Kelly, 51, got chummy with many of the guests.
Angelina, 33, cuddled next to her man Chris Larangeira on the red carpet.
Other stars present included new mom Bekah Martinez and longtime couple Ice T and Coco.
The packed audience got to see the explosive first episode of Love After Lockup during the event.
Emotions ran high in the crowd, from tears to laughter, as they watched seven different couples navigate the world of relationships after
OKMagazine.com's Casey Madden hosted a panel after the airing was over to discuss the new season with the show's creators and Marriage Boot Camp star Dr. Ish Major.
The afterparty happened at the bar where celebs and guests mingled and talked about the exciting episode.
WE TV's Love After Lockup premieres this Friday, August 16, at 9/8C.