The former couple first made their public debut back in May 2012. The Cruel Intentions star then proposed to the 25-year-old law student over Christmas 2015.
Ryan and Paulina in 2014. (Photo Credit: Getty Images)
Ryan, 42, was previously married to Reese Witherspoon, with whom he has two children, daughter Ava, 17, and son Deacon, 13. He is also dad to a five-year-old daughter from a previous relationship with actress and singer Alexis Knapp.