Rumi and Sir were born five months ago but they have yet to be seen out in public.
The 36-year-old Halo singer looked like a proud mother as she was seen cradling Sir close in her arms while her mother Tina Knowles doted on Rumi, who looked darling with a white bow in her hair.
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Finally a look at the twins! Sir, left, and Rumi, right, were seen out in public for the very first time on Saturday in Miami with their parents Beyonce and Jay Z as well as sibling Blue Ivy
Baby Sir! Beyonce was seen holding Sir as she strolled around their Miami pad; they had arrived the day before