F(x) sisters know how to support each other. Amber visited the set of My Lovable Girl recently to cheer on her fellow girl group member for the last time. The series ends its run today, and the female rapper tweeted a photo of herself with Krystal, also known as Rain's love interest Se Na, with the following message:

"Good Job, Princess [Krystal.]"

Krystal Jung has been portraying Se Na on the SBS drama since mid-September. She endured long days on set and bounced back after a brief stay at the hospital for exhaustion. In the drama, her character Se Na is a rookie songwriter who fell in love with her deceased sister's boyfriend Hyun Wook, played by Rain.  

Catch the surprising finale on DramaFever today!