there's no stopping (someone)

Someone cannot be stopped, prevented, or restrained from doing something because they are too tough or determined. I'll do my best to stall the press, but you know there's no stopping them when some salacious story gets leaked. Now that she's been picked to helm the latest major three-film blockbuster series, there's no stopping her.

there’s no ˈholding/ˈstopping somebody

a person cannot be prevented from doing something because of their enthusiasm, energy, determination, etc: There was no holding him once he started talking about his life in India. ♢ You know Hannah — once she’s decided to do something there’s no stopping her.