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OTRC: Sandra Bullock, Ryan Reynolds go hiking with her son Louis?

Sandra Bullock and her former film co-star Ryan Reynolds reportedly went hiking together with her 1-year-old son Louis in Grand Teton National Park in Wyoming last weekend.

A man who appears to be Reynolds, 34, is seen carrying a child in a baby carrier on his back and walking ahead of a woman with dark hair and two men in photos posted on the website TMZ on Wednesday, August 17. Spokespeople for the two actors had no immediate comment.

People magazine, which also carried the report, said Reynolds, Bullock and her son were accompanied on their hike by a large group of friends and that the 47-year-old actress has a home in the Jackson Hole area. She also maintains a house in New Orleans, where she adopted her son.

In January, Bullock and Reynolds rang in 2011 together in Texas, but spokespeople for both stars denied the two were romantically involved.

"I think there'll be a collective sigh amongst women across the United States when I say he's not my lovah, he's just an amazing friend I've had for 10 years," Bullock told NBC's Al Roker at the time at the 2011 Golden Globe Awards in a segment that aired on the "Today" show. "I don't get his loving after dark."

Bullock also said Louis, who she she adopted last year before she divorced Jesse James, was the only man in her life at that moment, adding: "That's all I can handle."

Reynolds had himself recently finalized his divorce from actress Scarlett Johansson.

Earlier this month, Bullock appeared at the Los Angeles premiere of Reynolds' movie "The Change-Up," which hit theaters on August 5.

Bullock and Reynolds starred together in the 2009 movie "The Proposal" and are set to team up once again in the film "Most Wanted," although the film is still under development and no release date has been announced.

Bullock recently filmed "Extremely Loud and Incredibly Close" with stars Tom Hanks and John Goodman. It is based on the 2005 novel by Jonathan Safran Foer and is set for release on Jan. 20, 2012. Currently, she is working on another movie - "Gravity," a 3D thriller about a woman stranded on a space station, which also stars George Clooney and is scheduled to hit theaters on Nov. 12, 2012.

Reynolds can be seen next in the thriller "Safe House," which stars Denzel Washington and Vera Farmiga and has a Feb. 10, 2012 release date.

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