News Olivia Wilde Sends Adorable Birthdays Wishes to Her 'Magic Boy' Son Otis By Zach Seemayer 5:23 PM PDT, April 20, 2017 Instagram Olivia Wilde's little boy, Otis, turned three on Thursday, and the actress couldn't contain her excitement.The 33-year-old actress took to Instagram to share a super cute snapshot of her son enjoying an ice cream treat. WATCH: Olivia Wilde Says Her Son Is a 'Meathead,' but Also Has 'the Greatest Rhythm'"Happy 3rd birthday, magic boy. I love you even more than you love chocolate ice cream," Wilde wrote. View this post on InstagramHappy 3rd birthday, magic boy. I love you even more than you love chocolate ice cream. ❤🎂🎂🎂❤A post shared by Olivia Wilde (@oliviawilde) on Apr 20, 2017 at 6:41am PDTWilde and fiancé Jason Sudeikis welcomed Otis in 2014 -- just a little over a year after getting engaged. The couple welcomed their second child, daughter Daisy Josephine, this past October.Wilde shared a radiant photo holding both of her little ones on Saturday, giving fans a great look at Daisy's beaming smile. View this post on Instagram🐣😌🐣A post shared by Olivia Wilde (@oliviawilde) on Apr 16, 2017 at 8:55pm PDT WATCH: Olivia Wilde Shares Breastfeeding Photo With 'Drinking Buddy' Daughter DaisyFor more on the happy family, watch the video below.Olivia Wilde Shares Adorable Family Photos on Valentine's Day -- See the Pics!