During an interview with radio host Howard Stern, the 31 -year-old star was asked, whether he was engaged to the singer.
"Yeah, kind of," Pattinson replied.
The actor, who has been dating Twigs since 2014, said he was protective about their relationship and found it hard not to be more public.
"It's one of the most frustrating things in the world. You have to make a decision whether you want to let the crazy people in... To protect it you kind of think I want to create a big boundary (but) then it's difficult for your relationship.
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