"We're getting married in Massachusetts this summer," he told the Boston Herald, showing off his new engagement ring.
Frank and Ready have been together since 2007.
"Jimmy is a … he's a handy man … some welding … so he picked this out," he told reporters while campaigning for Democratic U.S. Senate candidate Elizabeth Warren in New Bedford.
Frank has otherwise been quiet about wedding details: "I supposed given my job it's inevitable, but it's a personal thing. We're happy to be getting married."