Remember when Tony Romo & Jessica Simpson were at Hollywood’s Key Club last January? And the Cowboys QB hopped up on stage with his beloved and sang along to Metal Skool’s performance of “Sweet Child O’ Mine“? Wasn’t that just rad?

Well, TMZ learns that Tony loves nothing more than an encore, as Romo was back in the Key Monday night, once again belting out a tune in such a way that would make Axl Rose cry. But this performance was a little more subdued.

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