Mattias Paulin Ferrell: Will Ferrell's Son, Whom His Father Believes(00) Save Image Image gallery: Mattias Paulin Ferrell - A Look at the Middle Son
:max_bytes(150000):strip_icc():focal(967x472:969x474)/star-tracks-021024-07-03d21d4cb89343648d44bdc867f029f3.jpg "PEOPLE Star Tracks: Photos of Margot Robbie, Issa Rae, Megan Fox & More")
![Star Tracks: Lady Gaga, The Rolling Stones, Jane Fonda [PHOTOS]](https://people.com/thmb/lqMa3mINodZBESxi_lW2djv1vMs=/1500x0/filters:no_upscale():max_bytes(150000):strip_icc():focal(3219x1013:3221x1015)/Will-Ferrell-Magnus-Paulin-Ferrell-Mattias-Viveca-Paulin-los-angeles-101923-5290343d072f487ab4d9273dadd95e68.jpg "Star Tracks: Lady Gaga, The Rolling Stones, Jane Fonda [PHOTOS]")
