Chelsea Handler has hosted her finale episode of her hit talk show 'Chelsea Lately'. The event was star-studded but what made the audience cheer more was the arrival of her ex, 50 Cent.

Sparks were flying and everyone can feel the undeniable chemistry between the ex-couple as 50 serenaded Chelsea with one of his songs.

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50 was not expected by Handler since before he was introduced, her close gals Mary McCormack, Jennifer Aniston and Sandra Bullock were giving her a mock intervention. McCormack started saying that Chelsea was a bad influence because of her drinking habits. Aniston talked about how Chelsea copied her style.

Bullock then said that Chelsea was never funny nor cool but there was one time when she was. Bullock added that Chelsea blew that 'coolness' in her when she let someone go. Bullock then brought 50 to the stage.

The crowd then became eccentric. Chelsea and 50 dated back in 2010. 50 Cent became a guest of Chelsea and that's when they hit it off. However, their relationship was only short-lived.

But according to a source, the two were spotted exchanging phone numbers backstage. The insider said that the chemistry was definitely clear and that they looked cute together. The insider added that both are single and they are hoping that they reignite the flames they once had.

Both Aniston and Bullock were heard saying that they love 50 for Chelsea.

What made the rumors fly more were the pictures 50 posted on his Instagram page. He first posted a photo of him hugging Aniston and Bullock which he captioned: "It was unbelievable the love and support last night. Chelsea is the best."

50 followed it up by posting a photo of him serenading Chelsea which he captioned: "I think Chelsea turns me on because she's crazier than me."

Chelsea's E! show has been running for seven years now and the finale showed how much she was loved. Guest stars included Gwen Stefanie, LeAnn Rimes, Justin Theroux, Gerard Butler, Melissa McCarthy, Chloe Grace Moretz, Kathy Griffin, Miley Cyrus and a whole lot more.

Chelsea will be having a new show on Netflix and is slated to air on 2016.

Tags50 Cent, Chelsea Handler, ex, couple, Finale, Chelsea Lately, Swapped Phone numbers