Tom commented later that evening on his and Rupert's escapades on experimental pizzas for dinner.
More on the exhibit by Rankin (no relation to Chris, who portrayed Percy Weasley in the Harry Potter films), which opened to the public on Thursday, August 4, can be read here.
Also, Tom Felton is already confirmed to attend Sunday's Teen Choice Awards, where he is nominated as best villain for his work as Draco Malfoy in Harry Potter and the Deathly Hallows: Part 2. SnitchSeeker just got word from Rupert Grint's reps that 'hopefully, yes' he will be attending the awards as well. We will have full coverage of the event this weekend.