McAdams is best known for her breakout role in The Notebook, an adaption of the novel by Nicholas Sparks. Interestingly, her partner Jamie also has a special connection to Sparks, he wrote the screenplay for another of Spark's famous romance novels, Dear John. The 2010 film stars Channing Tatum and Rachel's Mean Girls co-star, Amanda Seyfried.
Rachel and Jamie have not made their red carpet debut yet however they were photographed attending a friend's wedding in 2016.
"Having a few [kids] would be great," Rachel told People in 2009. "My mum is a great inspiration to me... She's a nurse and very nurturing and gentle. She lets me be who I am. Hopefully I can take on those qualities and be as great as her."
All the best to the mum-to-be!