She's completely smitten!

During an appearance on The Ellen DeGeneres Show Thursday, it became abundantly clear how Gwen Stefani really feels about boyfriend Blake Shelton — after all, the 46-year-old couldn't stop giggling or grinning throughout the entire interview!

RELATED: Gwen Stefani Admits That Blake Shelton is Only Her Second Boyfriend

"When he popped the big question about you being his mentor [on The Voice] — how did he do that?" Ellen hilariously teased the star, who jokingly replied, "Did you rehearse that before?"

gwen stefani
Ellen Tube

She then answered, "I want to be on that show as much as possible… I got so much out of it."

But while Gwen is certainly spending a lot of time with her country singing beau, she's had quite a bit going on in her career as well.

RELATED: Gwen Stefani Teases Her New Album's Track List on Instagram!

Not only has she finished her new solo album, This Is What the Truth Feels Like, she also filmed a live music for her song, "Make Me Like You" (which is about Blake!)

Watch part of her interview below: