Britney Spears and her abs have never looked better – well, since her Slave 4 U days, anyway – as she appeared as the new face of Kenzo this week. The singer, who just wrapped an epic Las Vegas residency that proved Britney was back, baby, is the face of the brand's Collection Memento N° 2 line.

Britney Spears and her abs have never looked better – well, since her Slave 4 U days, anyway – as she appeared as the new face of Kenzo this week. The singer, who just wrapped an epic Las Vegas residency that proved Britney was back, baby, is the face of the brand's Collection Memento N° 2 line.