A “girlish grandma” from eastern China is taking the internet by storm with her dazzling white hair, colourful outfits and fearless confidence.Yingzi, 74, from Shanghai, has more than two million online followers and often dances or poses on city streets in heels.Her videos have reportedly racked up over 100 million views at their peak.AdvertisementOn her social media, Yingzi shares the secrets behind her youthful figure.She says it starts with “sticking to your style,” choosing clothes that young people love, and experimenting with different looks from girl-group fashion to punk.Yingzi, above, pictured in a fetching pink jacket in her younger days....