Katelyn

Name: Katelyn
Native name: 케이틀린
Also Known as: 케이틀린 앙헬라 에헤르시토 탄
Nationality: Filipino
Gender: Female
Born: July 24, 2007
Age: 19

Katelyn Angela Ejercito Tan, known simply as Katelyn, is a Filipina singer, dancer, and member of ATHEART (앳하트).

In July 2024, Titan Content (타이탄콘텐츠) announced plans to debut a U.S.-based girl group. They began selecting the trainees and, in February 2025, signed a contract with Imperial Music (a division of Republic Records) to distribute the group's material in the U.S. They launched the pre-debut single, "Good Girl (At Heart)" in May 2025.

She made her debut in August 2025 as the group's main rapper with their first EP, "Plot Twist".

(Source: kisskh) Edit Biography

Year	Title	#	Role	Rating
2022	Jailed Heart Filipino Drama, 2022, 80 eps [Charlotte's friend] (Ep. 74, 76, 80) (Support Role)	80	[Charlotte's friend] (Ep. 74, 76, 80) Support Role	0.0

Year	Title	#	Role	Rating
2025	2025 Idol Star Athletics Championships Korean TV Show, 2025, 3 eps (Regular Member)	3	Regular Member	7.6
2025	Idol DKDK Club Korean TV Show, 2025, 18 eps (Ep. 11) (Guest)	18	(Ep. 11) Guest	0.0
2023	Gag Concert Season 2 Korean TV Show, 2023, 150 eps (Ep. 1169) (Guest)	150	(Ep. 1169) Guest	0.0