[5] On 26 June 2020, Kamara signed with Nice for an undisclosed fee reported to be around €4 million euros.

[8] On 7 May 2022, in the game against their manager Roy Hodgson's return to Selhurst Park, Kamara was sent off by two yellow cards after in the first half he gave away a penalty due to a handball.

His team would go on to lose 1-0 against Crystal Palace and be relegated from the Premier League for the fourth time.

[9] On 23 August 2022, Kamara signed for Serie A club Udinese for an undisclosed fee, returning on loan to Watford for the 2022–23 season.

[13] He debuted for the Ivory Coast national team in a friendly 2–1 win over Burkina Faso on 5 June 2021.