RHONA ROSSLegendary Diane Ross has much to be happy about these days.

Besides her son Evan just tying the knot with starlet Ashlee Simpson, her daughters are out there too.

While Tracee Ellis Ross’s new show Black-ish premiered on ABC, sister Rhonda (pictured) performed a dazzling set at the 4th Annual South-South Awards at the United Nations.

The United Nations 4th Annual awards Ceremony, honored the Prime Minister of Samoa as well as other heads of state for their continuous efforts in combating climate change.

Others there included Olive Longott, Kelly Bensimon, CNBC’s Amanda Drury, as well as Heads of State and high-level UN officials.