Congratulations are in order for Amanda Seyfried and boyfriend Thomas Sadoski!

The duo, who has only been dating for six months, are engaged to be married, their reps confirmed to Us Weekly.

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The couple first met last year while costarring in the play The Way We Get By. Amanda, 30, was dating actor Justin Long at the time, while Thomas, 40, was married to Kimberly Hope. He separated from his wife last summer.

amanda seyfried thomas sadoski getty images

They reconnected earlier this year while shooting The Last Word, and the blonde beauty was spotted on Sept. 6 sporting a thin band on her ring finger.

We can't wait to see this pair tie the knot!