She said she was "very proud" of their efforts so far.
Her move comes after a legal battle over who was allowed to stand for the party's nomination.
"Keep talking," the Labour MP told him.
The Prime Minister has "one wish" for everyone.
"I think close to Christmas, she can't be bothered looking into this."
"In a Government I lead, if proven, he would be gone."
She said she's "incredibly proud of how far we've come".
She faces dealing with the party's sexual assault inquiries.
The new Labour Party President will be revealed on Saturday.