Anna Faris felt "guilty" that she wasn't more emotional about her son's first day of school.

Anna Faris

Anna Faris

The 41-year-old actress - who has her six-year-old son Jack with ex-husband Chris Pratt - has revealed that despite the first day of school being a landmark occasion for many parents, she wasn't overly-emotional about it.

She shared: "I feel really guilty that I wasn't more anxious.

"It feels like all of the other parents were really anxious and the kindergarten teachers are asking, 'Oh, is everything gonna be okay?' I felt like, can't we just drop him off?"

Anna explained that with Jack having already attended pre-school, she wasn't daunted by the thought of him being left in the care of someone else.

She told 'The Talk': "Chris and I walked him there and we were trying not to transfer any hint of anxiety,.

Then, Anna jokingly added: "Not that I was having it, clearly. I was like, 'I gotta get to work, kid!'"

The Hollywood star - who was marred to Chris from 2009 until earlier this year - still remembers the "mom guilt feeling" she experienced on the day.

She explained: "He just ran in and was like, 'Bye guys!' It was that funny mom guilt feeling, where I feel like this should emotionally tug at me more than it is."

Anna and Chris have maintained an amicable relationship since they announced their split in a joint statement.

Part of their statement read: "Our son has two parents who love him very much and for his sake we want to keep this situation as private as possible moving forward.

"We still have love for each other, will always cherish our time together and continue to have the deepest respect for one another."