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Tue Apr 11, 8:00 AMUPDATED 11 HOURS 7 MINUTES AGO

Good news apparently comes in twos for Maggie Gyllenhaal.

Not only is the indie movie queen expecting her first child with longtime beau Peter Sarsgaard, but they are also engaged, People magazine reports. It'll be the first marriage for both actors.

Let's just hope they don't go for a hyphenated last name. For spell check's sake.

No further details are known; there was no immediate comment Tuesday from either actor's rep.

The twosome has been together for an impressive-by-Hollywood-standards four years after meeting on the set of Steven Soderbergh's 2003 low-budget and never-released drama In God's Hands.

Though clearly the experience wasn't a total bust.

Since then, they have kept a relatively low public profile, even as their respective film careers have increasingly put them in the spotlight.

Gyllenhaal, 28, has more than 20 films to her credit. She broke through to the big leagues in 2002's S&M-themed drama Secretary, for which she received a Golden Globe. She has since starred in Mona Lisa Smile, Adaptation and Happy Endings, and has been lauded in the press as an avant-garde fashionista.

For his part, Sarsgaard, 35, has appeared in more than 25 films, most recently Flightplan, Garden State, Kinsey and Jarhead, which he starred opposite future brother-in-law Jake Gyllenhaal. Sarsgaard earned a Golden Globe nom for his turn in 2003's Shattered Glass.

While this has been Gyllenhaal's first public romance, Sarsgaard was previously linked with model Shalom Harlow.

If a wedding to plan and a nursery to get in order wasn't enough, Gyllenhaal and Sarsgaard have plenty to keep them busy in the coming months.

Gyllenhaal has several films awaiting release, including the French romance Paris, Je T'aime, set to premiere at Cannes next month, as well as the all-star comedy Stranger Than Fiction, with Will Ferrell, Dustin Hoffman, Queen Latifah and Emma Thompson, due in November. She also hits screens in 9-11 drama World Trade Center in August.

Sarsgaard, meanwhile, is set to film the romantic dramedy Small Tragedy, chronicling the behind-the-scenes production of Oedipus Rex, in London later this month.