She then starred in the dark fantasy historical romance Red Riding Hood (2011), the dystopian sci-fi thriller In Time (2011), the thriller Gone (2012), the musical drama film Les Misérables (2012), the biographical drama Lovelace (2013), and in the Seth Mac Farlane comedies A Million Ways to Die in the West (2014) and Ted 2 (2015).
In 2004, Seyfried made her movie debut in the teen comedy Mean Girls.
Her subsequent supporting roles were in independent films, such as the drama Nine Lives (2005) and the crime drama Alpha Dog (2006).
The stars have yet to comment on the romance rumours, but Thomas isn't the first co-star Amanda has dated off-screen. actor Dominic Cooper from 2008 to 2013, and she most recently dated actor Justin Long, but they split in September (15) after more than two years together.
She previously opened up about what attracted her to Justin after meeting met via
The 39-year-old split from wife Kimberly Hope in October 2015 after eight years of marriage.
Currently, Sadoski is in the middle of a divorce from his ex, casting director Kimberly Hope.
The pair is engaged, Seyfried's publicist Evelyn Karamanos confirmed to USA TODAY, after a whirlwind romance that began this spring.
The two actors started dating while filming their upcoming drama, , a Neil La Bute play about a one-night stand.
"Amanda and Thomas are definitely dating right now," the insider tells the publication.