Things are getting serious for new couple Rachel McAdams and Taylor Kitsch!

The True Detective costars have been quietly dating for less than a year, but that's not stopping the famous duo from taking their relationship to the next level.

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"They're practically living together," a source revealed exclusively to Life & Style. "Rachel is at Taylor's condo all the time."

taylor kitsch

Taylor Kitsch spotted after a date with Rachel McAdams in Hollywood.

Along with brunching and going to the gym together, the source shared that the Mean Girls star loves cooking for her boyfriend, even though she's not the best in the kitchen.

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And this isn't the only sign the 37-year-old is totally smitten with the Friday Night Lights actor. Taylor, 34, has also met Rachel's family and they "totally hit it off."

"He immediately bonded with Rachel's mom, Sandra, which made Rachel really happy," the insider added.

For more on Rachel and Taylor, pick up the latest issue of Life & Style Weekly – on newsstands now!