By Leah Ornstein - Breaking Celebrity News Style & Beauty Editor

From the Los Angeles premiere of one of this summer’s hottest comedies to the streets of NYC, stars were dressed to rock and shock this Monday – and Breaking Celebrity News has all the photos.

At The Change-Up premiere, Leslie Mann looked white hot in a Marchesa cocktail dress, while Olivia Wilde opted for a red hot Antonio Berardi number.  Ryan Reynolds’ pal Sandra Bullock made an understated appearance on the ca