United Kingdom, Sept. 4 -- Glen Powell has confirmed he is in a "very serious" relationship with Michelle Randolph.

The 37-year-old actor went Instagram official with the Landman star, 28, in July, and Glen admitted the pair's romance is going well.

When asked if an engagement might on the cards, he told TMZ: "I'd say it's very serious."

Asked if it was nerve-wracking going Instagram official with Michelle, he said: "Nah, it's not.

"It's never nerve-wracking if you believe in it."

Glen went Instagram official with Michelle on July 8th, when he shared a photo dump of himself and pals celebrating their Independence Day holiday on July 4th.

One of the images showed Glen and Michelle sharing a sneaky smooch.

He captioned the photo caro...