"So glad to have you back!" wrote a delighted Ken with a photo of Victoria beaming at the camera. "So much fun hiking and laughing in the LA sunshine with @VictoriaBeckham."
The 39-year-old looked relaxed in a simple black vest and aviator sunglasses, wearing a necklace with a cross charm.
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Victoria and beauty expert Ken have been close friends since they met at Tom Cruise and Katie Holmes' wedding in 2006 and the two began working together when the Beckhams relocated to LA in 2007.
While Victoria takes time out from working in London, hiking seems to have become one of her new favourite hobbies and the former Spice Girl posted a photo of herself smilling during a walk shortly after she arrived in the US.
"So good to be back in LA," wrote Victoria. "And hiking,who knew? X vb."
The designer was quick to make her return to the City of Angels known to her fans by posting a picture of herself striking a carefree pose in front of the iconic Hollywood sign. She was seen holding her hands up in the air and swapped her famous pout for a broad smile.
Victoria, who is happily married to football superstar David Beckham, has been in high spirits with the increasing success of her clothing line and plans to open her first London store.
In June, David showed off how happy the couple are and poked fun at his wife's serious reputation by snapping a photo of her lying down and laughing, alongside the caption, "See I told you she smiles".