On 27 January 2019, both Kay and Royce entered their first Royal Rumble match at number 7 and number 9, respectively, and they managed to eliminate Nikki Cross, before they both were eliminated by Lacey Evans. On 17 February, at the Elimination Chamber event, The IIconics competed in a tag team Elimination Chamber match for the inaugural WWE Women's Tag Team Championship, which was won by The Boss 'n' Hug Connection (Bayley and Sasha Banks). In March, The IIconics started a feud with Banks and Bayley, whom they defeated in a non-title match. Because of their win, they (and two other teams) challenged Banks and Bayley for the championship at WrestleMania 35 in a fatal four-way match. At the event, which took place on 7 April, The IIconics won the match after Kay pinned Bayley to win the Women's Tag Team Championship for the first time. On the 5 August episode of "Raw", The IIconics lost the titles to Alexa Bliss and Nikki Cross in a fatal four-way match also involving the teams of The Kabuki Warriors (Asuka and Kairi Sane) and Fire and Desire (Mandy Rose and Sonya Deville). On 16 October, it was announced that The IIconics had been drafted to the Raw brand as supplemental picks of the 2019 WWE Draft.