United Kingdom, Sept. 17 -- Dakota Johnson has reportedly been "quietly seeing" MGK for months.

The Materialists actress hit it off with the musician - who was previously known as Machine Gun Kelly and whose real name is Colson Baker - at Taylor Swift and Travis Kelce's wedding at New York's Madison Square Garden on 4 July, and they have been getting to know one another better ever since.

A source close to the Emo Girl hitmaker told People magazine: "[They] have been hanging out and seeing each other under the radar for months now. They had met before, but hit it off at [Taylor's wedding].

"They started off as friends and were texting often, but now they're spending more time together.

"It's a very new start, but they're smitten with ...