Simon posted this photo on Twitter last night with the text 'My Second Fathers Day with my little boy.
We do love it when Simon tweets photos of his son Eric who now at 16 months is growing up fast.
Second photo from Simon said 'Oh No! He is Daad's little boy.'
Earlier in the day Lauren took Eric for a stroll in Beverely Hills, while Simon headed back to the UK.
Simon Cowell flies out of LAX for London.
More photos of Eric can be found on ERIC'S own page