Celebrity couple Lee Hyori and Lee Sang Soon were recently spotted performing together at the '2012 KARA (Korea Animal Rights Advocates) Year-End Celebration Night' held on the 7th.

Fellow animal rights activist Bae Da Hae tweeted on the 7th, "Hyori unni singing a self-composed song at the KARA celebration night. Lee Sang Soon is also playing the guitar. I get to see the presence of my favorite Hyori unni who I respect. The song is bright, but because her heart is into the song. My tears are dripping", along with a photo showing�Lee Hyori singing while boyfriend Lee Sang Soon is playing the guitar.

Netizens commented, "It's nice to see you two working together for a good cause" and "Their relationship seems to be going well. I'm jealous."

Source + image: Bae Da Hae's Twitter