Rihanna plays the hits — and introduces a surprise guest — in Super Bowl halftime show

Rihanna made her long-awaited return to the stage — on the biggest stage in all of pop music — with her grand yet curiously low-key halftime performance at Sunday’s Super Bowl LVII.

Thirteen minutes or so of quick-cut pop bangers minus the type of special guest that halftime typically features, Rihanna’s show also raised immediate speculation on social media that the 34-year-old superstar — who appeared in a billowing red jacket over a form-fitting vinyl-ish bodice — is pregnant for the second time,