KUALA LUMPUR, April 29 -- Hong Kong entertainer Charlene Choi surprised fans across Asia after revealing she has married her boyfriend, fitness coach Elvis Lam.

The announcement came via Instagram yesterday, where the 43-year-old singer-actress shared a series of intimate wedding photos, including snapshots of the couple exchanging rings.

"Congratulations to me for marrying you. Congratulations to you for marrying me. Please take care of me in the future. Thank you everyone for your well wishes," Choi wrote in the caption.

Known affectionately as Ah Sa, Choi rose to fame as one half of Cantopop duo Twins, and the sudden announcement quickly became a talking point online, especially as the couple had kept their relationship relatively p...