So I dove into Reif’s "pretty arms and abs" routine blind, only knowing it was just 12 minutes long. The little time commitment required from this workout was one of the factors that drew me in.

Even if you don't follow Pamela Reif, it's more than likely that you've come across some of her content online.From fun but challenging workouts – be it Pilates, strength sessions or dance ...

"My mother would say, 'You’re there to have a giggle,'" India Hicks tells PEOPLE of her mother, Lady Pamela Hicks, and her role as the late Queen's lady-in-waiting ...