Aliyeva took up the sport at age six after her grandmother saw her walk on her tiptoes and do movements that looked like gymnastics.[2]
Kamilla became age-eligible for senior competition in 2022 and became part of the national group. Between April and May she competed at two World Cups, Baku where the group won gold with 5 hoops and silver in the All-Around,[3] and Pamplona where they won two bronze medals in the two event finals.[4] Then at the European Championships in Tel Aviv, the Azerbaijani group won the bronze medals in the group All-Around, 5 hoops, and 3 ribbons + 2 balls.[5]
She represented Azerbaijan at the 2021 Islamic Solidarity Games where the Azerbaijani group won the gold medal in the all-around. Then in the event finals, they won gold in 3 ribbons + 2 balls and silver in 5 hoops behind Uzbekistan.[6] Aliyeva also competed at the 2022 World Championships alongside Laman Alimuradova, Gullu Aghalarzade, Zeynab Hummatova, Yelyzaveta Luzan, and Darya Sorokina. In the 3 ribbons + 2 balls final, the group won the bronze medal behind Bulgaria and Italy. This marked the first time an Azerbaijani group won a medal at the Rhythmic Gymnastics World Championships.[7]
In 2025, she returned to the national group. She competed at the 2025 European Championships in Tallinn, Estonia. They took 11th place in group all-around and 7th place in 3 Balls + 2 Hoops final. On 17-19 July, Aliyeva and her teammates (Darya Sorokina, Gullu Aghalarzade, Yelyzaveta Luzan and Laman Alimuradova) won gold medal in the Group all-around at the 2025 Summer Universiade in Essen. In the apparatus finals, they won gold in 5 Ribbons and silver in 3 Balls + 2 Hoops .[8]
Azerbaijan 
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