The Lee Hyori revival: project groups Refund Sisters and SSAK3 gave the first-gen K-pop star a delightful 2020 comeback – and we can’t get enough

Joining Running Man MC Yoo Jae-suk and OG rapper Rain in SSAK3 – plus Mamamoo’s Hwasa, Uhm Jung-hwa and Jessi in Refund Sisters – early 2000s idol Lee Hyori is back with alter egos Linda G and Chun Ok, and even produced Koyote’s new single Delete