There is a more current commercial that I wasn't able to find. She looks slightly older in that more current one.
Since it's just a commercial and I don't know said girl (nor really Dissident IRL, for that matter), it was meant as a conversational joke. OTOH, I've had an ongoing light hearted banter going on with Diss for years, that he seemed (to me only) to be drawn to teen girl types who looked rather plain to me.
The older I get, the more things I find attractive about girls beyond strictly their perfect looks. As I said to him, I found her rather appealing myself.
On a side note, I really despise corporate pharma advertisements and the money they throw around. So with that underlying reality in mind, our girl in question is actually probably a dope. I didn't stop to think about it that deeply before. I was only making conversation with an online friend.
Having taken the time to do so, I hope I explained it all cohesively and to your satisfaction.