AnnaSophia Robb AnnaSophia Robb

The Carrie Diaries had a modest debut Monday night.

The CW's Sex and the City prequel bowed to 1.6 million viewers and a 0.6 in the adults 18-to-49 demographic, just a tenth higher than 90210's average in the slot. An encore at 9 p.m. out-performed Gossip Girl's numbers in that hour.

Winter TV Preview: Must-see new shows