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It marked Barron’s first public appearance since his father’s inauguration, instantly drawing attention from political watchers and curious onlookers alike.
Professional lip reader Jeremy Freeman analyzed the moment and claims to have decoded what was said, per The Mirror.
According to Jeremy, Ivanka turned to her younger half-brother and asked: “What are you doing on…?” though the final word could not be deciphered.
Exactly what Ivanka was referring to remains unclear.