Rumer Willis Goes for Hike After Hang Out with Armie Hammer

Rumer Willis is getting in some exercise!

The 32-year-old actress met up with a friend for a hike on Sunday afternoon (September 6) in

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Rumer sported a black tank top and black shorts as she walked one of her dogs on a leash and carried the other in a sling around her chest.

Rumer‘s weekend out comes a few days after she was spotted out with Armie Hammer. The 34-year-old actor had his arm wrapped around her waist as they stepped out for lunch together.

According to a source, the two are keeping their relationship “very casual.”

“They seemed happy and very familiar with one another,” a source shared with Entertainment Tonight. The source also added that they met through a mutual friend and aren’t ready to jump into anything serious right now.

Armie‘s out with Rumer comes a few months after he and Elizabeth Chambers announced they we were splitting up after 10 years of marriage.