Tracee Ellis Ross celebrated a joyous family occasion on Thursday when she rang in her lookalike sister Chudney Ross' 46th birthday.The actress paid tribute to her TV producer sibling with an array of throwback photos and videos which fans went wild for.MORE: Tracee Ellis Ross leaves fans stunned with gorgeous poolside photos Taking to Instagram, the Black-ish star posted a sweet selection for her sister and wrote: "My dearest little sister. I am in awe of who you are.