BEIJING • Two months after Chinese actress Angelababy and actor Huang Xiaoming refuted talk that their four-year marriage is on the rocks, rumours are once again flaring up.

Huang, 41, and Angelababy, 30, married in 2015 and have a two-year-old son, but have faced persistent scrutiny of their relationship due to the little interaction between them on social media.

The state of their marriage became a hot topic again last week after they did not perform together at Chinese broadcaster CCTV's Mid-Autumn Festival Gala last Friday. Huang performed with Chinese singer Yi Liyuan, while Angelababy performed with Chinese singer Cai Guoqing on the show.

There were several celebrity couples who performed together, including Hong Kong actor and television host Wong Cho Lam and his wife, actress Leanne Li, as well as Chinese actor Bao Beier and his wife, actress Bao Wenjing.

Taiwanese model Lin Chi-ling and her husband, Japanese singer Akira, were reportedly dropped from the programme due to Akira's nationality.

Reports said that when the rehearsal was held in Huaian city in Jiangsu province last Thursday, Huang and Angelababy arrived separately. They were not seen together and there was little interaction between them backstage.

To add fuel to the rumours, eagle-eyed netizens noted the couple were initially put down as "husband a