Katharine McPhee wears a leather jacket

while arriving at LAX in Los Angeles, Ca.

Katharine McPhee wears a black leather jacket

at the Pepsi Super Bowl XLVII pregame show held at the Mercedes-Benz Superdome in New Orleans

Katharine McPhee wears black leather pants

while attending No Diggity, No Doubt - Beck's Sapphire pops up to celebrate Super Bowl in New York