Harper & Gideon Burka-Harris - Neil Patrick Harris and David Burka's twins turn 2 October 12.
Egypt Dean - Alicia Keys and Swizz Beatz's son turns 2 October 14.
Archie Arnett - Amy Poehler and Will Arnett's son turns 4 October 25.
Olive Cohen - Isla Fisher's oldest daughter celebrates her fifth birthday October 17.
James Wilkie Broderick - Sarah Jessica Parker and Matthew Broderick's son turns 10 October 28.
Deacon Phillippe - Reese Witherspoon's son (and new big brother!) with Ryan Phillippe turns 9 October 23.
Francesca Bateman - Jason Bateman's little girl celebrates her sixth birthday October 28.
Willow Smith - Jayden and Will Smith's daughter turns 12 October 31.
Tristan Trump - Donald Trumps' grandson celebrated his first birthday October 2nd.
Marcelo Monteverde - Ali Landry's little boy celebrated his first birthday October 8th.
Hattie McDermott - Tori Spelling and Dean McDermott's third baby (and now a big sister!) celebrated her first birthday October 1st.