Amal and Isla were seen enjoying a hiking session at Runyon Canyon in Los Angeles.
Both looked workout ready, as Amal tied a camoflouge sweatshirt around her waist and Isla threw a light blue color into her ensemble.
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Amal and Isla look to have a great friendship, as Isla was seen hysterically laughing during their workout routine. Laughter also helps with burning the calories!
As excited as they were to be together, both Isla and Amal couldn't keep their eyes off their phones. Was George texting Amal about her big birthday weekend? Was Sacha secretly planning a surprise party for Amal's big 40?
How do you think Amal will celebrate her 40th birthday? Sound off in the comments!