and Gwen Stefani
are going full speed ahead with their plans to tie the knot — so much so that the "Used To Love You" singer, 46, and the 40-year-old country crooner may have already secretly set a date this fall! But when Blake's ex, Miranda Lambert
, received the invitation, she stormed out of the room in tears. In the new issue of Star
this week, get all the details about their ceremony and honeymoon details — plus, a baby bombshell!