What is the meaning of 会 in 你们太会了 and the sentence's connotation?
会 denotes the sense of good at; skillful;etc..  In Chinese grammar, 会 is a verb here.
the celebrity is saying: 你们太会玩了 or 你们太会搞了.  In English, it could be something like you guys are good at making this.
Apparently, there is a verb implied in 你们太会了. The listeners would understand the action based on the context.  In your case, it could be 玩, 搞, etc.