Chelsea was terrified that Bo would turn her in, but Billie stepped up to take the blame.Bo found out that Chelsea has been driving the car and tried to protect her, but Hope was furious with Chelsea.
In the summer of 2007, Stephanie returned to Salem and convinced Chelsea to work with her as a waitress for "Touch the Sky" airlines- jet service to Las Vegas that serviced high rollers.
Chelsea formed a flirtatious relationship with Jett Carver, one of the pilots on the plane, despite the status of her relationship with Nick.
Chelsea was so determined to get Patrick for herself she drugged Patrick, and when that didn't seem to work, she spiked Billie Reed's drink at Alice's, not realizing it would drive Patrick and Billie into each other's arms.
On the day of Abby Deveraux's seventeenth birthday, Chelsea, Abby and her parents had been out for the day until they ended up in a horrific car accident which took the life of both of Chelsea's parents.
Not long after they returned, Chelsea and Nick began dating.
Chelsea found out that Nick had a one night stand with Billie.
While working her community service at the hospital, she came across paper work that said that Shawn Douglas was Claire's biological father, not Phillip. The test proved that Shawn was Claire's dad and all charges were dropped against Chelsea.
Chelsea knew that Shawn would not believe her, so she left the paperwork for Shawn and Belle to find. A fingerprint sample revealed that Chelsea's prints were all over the paper. Abby introduced her geeky cousin, Nick Fallon, to Chelsea one night at Dune.
Eventually, Chelsea forgave Nick and the two continued dating.
Chelsea mended her relationship with Bo and Hope and moved into their house.
Upset over loosing Chelsea's friendship, Nick slept with Chelsea's mother, Billie.