See Gwen Stefani (& Eve) for as low as $15!—Mansfield, MA Here's an even that you won't want to miss! As a NEW Groupon member, you can use Coupon Code WELCOME to score $10 off deals on their site valued at $25 or more.. here's a great deal to use it on ;) Gwen Stefani: This is What the Truth Feels Like Tour with Special Guest EVE On: July 12 at 7 p.m. Location: Xfinity View Post