They don’t share any screen time together, but Chelsea Handler and Sarah Silverman both star in a new ad campaign for T-Mobile debuting for the Super Bowl.

The 30-second spot has the two comedians trying to one-up the other on how great her cell phone reception is, whether Handler is skating on her indoor rink or Silverman is inside her trophy room. And so on, and so forth. Roll the clip!

And here’s a behind-the-scenes look at Handler and Silverman talking about their ad.