Showbiz
The Harry Potter actor reportedly viewed a house next door to Keira Knightley near Hyde Park.
Grint will next star alongside Bill Nighy and Helena Bonham Carter as a young apprentice hitman in the Jonathan Lynn directed movie Wild Target.
The 20-year-old recently revealed what he received for his birthday last month, saying: "Emma [Watson] sent me a really cool drawing she did over the summer and also a silver chain that was sort of a joke between us."
More: Rupert Grint, Showbiz
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