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(Yahoo!) - John Mayer has made huge headlines in the past after exploiting his relationships in the press with exes Jessica Simpson, Jennifer Aniston, and Jennifer Love Hewitt. But, could the singer/songwriter be growing up finally? The 35-year-old seems determined to keep quiet about his latest ex-girlfriend, Katy Perry.

The singer made his first post-split TV appearance on Tuesday, stopping by "The Ellen DeGeneres Show” to talk about his upcoming tour. But, alas, he wound up dishing about his new privacy relationship rules as well. Of course, true to form, Ellen tried to grill him about the split, but Mayer appeared to be keeping things under lock and key this time.

"It was a very private relationship going in," John told the host. "It was a private relationship during and it’s a private relationship, still. I can understand asking the question based on some previous answers I have given.”

Check out more from John Mayer's appearance on Ellen:


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