With her 4th birthday coming up on Jan. 27 — the first birthday without her father — Lilly's mom Dorothy Sedlak said her daughter just wants cards because she is obsessed with receiving mail.

Thomas Rhett and wife Lauren are celebrating daughter Lennon Love's 4th birthday. The couple is parents to four daughters — Willa, Ada, Lennon and Lillie.

Official royal portraits of Princess Charlotte for her fourth birthday, April 2019. Photo: Catherine, Duchess of Cambridge / Courtesy of Kensington Palace.