The Formula One heiress marked little Sophia's three-month birthday with a cute photograph and message posted to Instagram on Tuesday (17 June).
Tamara wrote: "3 months ago today you completed my life and it gets more amazing every day."
How gorgeous is Sophia?!
Tamara's followers were quick to send well wishes and compliments, with one saying: "What a little sweetheart! I can see how she would fill your life with so much happiness, every day! God bless."
Another said: "Stunning healthy happy baby. You could ask for no more."
Tamara and husband Jay Rutland welcomed Sophia, their first child, on St. Patrick's Day. At the time, Tamara said: "Welcome to the world Sophia, our beautiful little girl, born yesterday. 6lbs 9oz. Proudest day of our lives, never felt love like this."
Yesterday, the brunette star and hubby Jay enjoyed a day at Ascot.
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Stars who welcomed babies in 2014:
Copyright: Rex Features WENN/Matthew Taylor/Daniel Deme/Josiah True/Matthre Taylor/Joe