'Cool Kids' Band Echosmith 'Memba Them?!
Celebrity News | Entertainment News | TMZ.com [Unofficial]
May 21, 2026
American pop band Echosmith -- made of siblings Sydney Sierota, Noah Sierota, Graham Sierota, and Jamie Sierota –- rose to superstardom when their hit song "Cool Kids" hit the charts back in 2014. The bop hit number 13 on the Billboard Hot 100…
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