Wow Legs

The episode title is Put a Ring on It.

Here's the synopsis:

Kelly is forced to come to terms with Jason’s new girlfriend Camille. Meanwhile, Tasha and Kelly are planning an engagement party for Mel and Derwin.

Tasha and Kelly throw an engagement party for Melanie and Derwin but, unfortunately, the festivities doesn’t run as smoothly as Melanie would have hoped. Jason brings Camille to the engagement party, forcing Kelly to come to terms with her ex’s new relationship. Tasha feels awful knowing that she was the person who set Jason up with Camille and that she is keeping that secret from Kelly.