Mainland Chinese singer Li Ronghao used social media on Thursday – his 34th birthday – to announce his engagement to his girlfriend, Rainie Yang, the Taiwanese singer and actress. Today is my 34th birthday. It’s also the anniversary of my wedding proposal. Thank you for saying yes Li Ronghao, Weibo post The news on Weibo, the Chinese microblogging website, gained 1.5 million likes and 1.4 million comments within five hours of it being posted. Why couples are likely to spend US$29,000 on their wedding day Li wrote: “Today is my 34th birthday. It’s also the anniversary of my wedding proposal. Thank you for saying yes.” After four years of dating, Li made the official announcement on Thursday morning after Yang had posted a celebratory photograph to mark his 34th birthday at midnight saying: “Today is the birthday of this man. Happy birthday.” Rumours of a possible wedding between the stars started to circulate after Yang indirectly referred to herself as Li’s wife on a Chinese reality show Idol Producer in May last year. When Yang, 35, temporarily took over Li’s role as a mentor on the show because of his absence, she said: “Li isn’t here with you all today, so your Shi Mu [mentor’s wife] came to replace him.” The golden couple no more: Inside Fan Bingbing's split with fiancé Li Chen They first worked together in 2007 when Li wrote a song for Yang. At the time they did not know each other socially. The first official announcement confirming they were in a relationship was in 2015, when Li posted a photograph of them showing their faces close together – which he then deleted minutes later.