Rod Stewart's hair isn't the only thing sticking straight up.

The raspy-voiced musical legend wasn't in the holiday spirit on Wednesday when he gave the cameraman a one-finger salute while vacationing with his family in Cagnes-sur-Mer, France, in these just-received photos on RadarOnline.com.

PHOTOS: Rod Stewart Shows Holiday Cheer To French Cameraman

The 66-year-old Downtown Train singer eventually gets playful with the camera while touring with wife Penny, 40, and sons Alastair Wallace, 6, and baby Aiden, 11 months.

Talk show legend David Letterman took Julia Roberts by surprise after he 'double flipped-off' his audience live on air during The Late Show, and RadarOnline.com has the video.

The Larry Crowne star - who is one of Letterman's favorite celebrities -gasped after she realized he had given the crowd the two-fingered salute.

It happened after Letterman explained to the Oscar winner how his biggest sadness in life was that his son did not have a brother or sister.