familiar face on the hit show maggie wheeland. >> oh my god. >> reporter: who played janice as chandler'son the show. >> hey, it's janice! >> reporter: posting "what a loss. the world will miss you, matthew perry. i feel so very blessed by every creative moment we shared." "he was so funny and so sweet and so much fun to be with," said gwyneth paltrow. the two met in their early 20s. we drove out to swim in creeks, had beers in a local college bar, kissed in a field of long grass. it was a magical summer. i hope matthew is at peace at long last. i really do. adele pausing her vegas concert to pay tribute. >> and i'm here to say how much i love what he meant to all of us. >> reporter: and charlie puth playing the "friends" theme song "i'll be there for you ♪ ♪ i'll be there for you when the rain starts to fall clothes. >> reporter: after moving to los angeles from canada, he'd find roles as a young actor on such hit shows as "growing pains". >> i am so sorry this happened to you. >> carol, don't worry, i'm going to be okay. >> reporter: and beverly hills 90210". >> just make sure to spell