Her dam Unfold The Rose, also bred and owned by the Ramseys, was an unraced daughter of Catienus and the Del Mar Oaks winner Bail Out Becky.

The British filly Elusive Kate started favorite ahead of Somali Lemonade (winner of the Jessamine Stakes) with Stephanie's Kitten third choice at odds of 8/1.

She returned to the turf at Churchill Downs on May 4 and won the Edgewood Stakes by two lengths from Firehouse Red, setting a race record time of 1:40.94.

[6] After a two-month break she returned for two appearances at the summer meeting at Saratoga Race Course, starting with a fourth place behind Centre Court, Better Lucky and the British-trained Samitar in the Lake George Stakes on July 25.

On August 19, Stephanie's Kitten faced Centre Court, Better Lucky and Somali Lemonade in the Grade II Lake Placid Stakes and was made the 11/10 favorite.

After struggling to obtain a clear run in the straight she was switched out in the final furlong and finished strongly to win by half a length from Centre Court.

[7] On 13 October the filly started favorite for the Grade I Queen Elizabeth II Challenge Cup Stakes on the turf at Keeneland but finished sixth of the eight runners behind Dayatthespa, Centre Court, Better Lucky, Samitar and Somali Lemonade.

She started third favorite behind Hungry Island (winner of the race in 2012) and Daisy Devine (Jenny Wiley Stakes) in a field which also included Karlovy Vary and Stopshoppingmaria.

Her old rivals Centre Court, Hungry Island and Better Lucky were again in opposition as well as the outstanding sprinter Mizdirection and the French filly Laugh Out Loud (Prix de Sandringham).

After being held up by Velazquez in the early stages, Stephanie's Kitten accelerated in the straight and got the better of a "sustained battle" with Better Lucky to win by half a length.

She faced Somali Lemonade again in the Beverly D. Stakes at Arlington in August, a race which also attracted the leading British fillies Just The Judge (Irish 1,000 Guineas) and Euro Charline.

She started the 4/1 second favorite behind Dank in a field which also included Dayatthespa, Secret Gesture (runner-up in The Oaks), Just The Judge and Fiesolana (Matron Stakes).

Stephanie's Kitten was put up for auction at the Fasig-Tipton sale on November 3 but was bought back by Ken Ramsey when the bidding stopped at $3.95 million.

[13] Stephanie's Kitten began her fifth season in the Grade III Hillsborough Stakes at Tampa Bay Downs on March 7 and won by one and a half lengths from Ball Dancing (also trained by Brown).

Ridden for the first time by Irad Ortiz she never looked likely to win and finished fifth behind Hard Not To Like, Tepin, Kitten's Queen and My Miss Sophia.

[15] On August 15 at Arlington, Stephanie's Kitten started second favorite behind Euro Charline in what proved to be a highly controversial race for the Beverly D Stakes.

Ortiz tracked the leaders before producing the mare with her customary late run: she took the lead inside the final furlong and won by one and a half lengths from Danza Cavallo.