Vice President Kamala Harris has been caught clapping along and smiling as an activist was singing a protest song in Spanish.
Harris was only informed the lyrics were far from complimentary when an aide translated the song outside a community centre in San Juan.
The Vice President was cluelessly clapping along and smiling as the man belted out the ballad on March 22.
Harris' face dropped after she was seemingly told what was being said, slowing down her claps and eventually stopping.
Kamala Harris was involved in yet another gaffe
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The protester, who was singing in Spanish, said: "We want to know, Kamala, what did you come here for? We want to know.
“The Vice President is here making history. We want to know what she thinks of the colony. Long live Free Palestine and Haiti, too.”
Friday's gaffe comes as Harris' approval rating continues to dip ahead of polling day on November 5.
A recent Suffolk University survey showed just 36 per cent of Americans approve of her performance as Vice President.
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A number of protesters received Kamala Harris on her arrival
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The proportion of Americans disapproving of her tenure stood at 52 per cent, the opinion poll also revealed.
Pollster James Johnson even claimed Harris is less popular than 46th US President Joe Biden.
The JL Partners co-founder told GB News: “At the moment, Joe Biden has a grip on the Democratic Party. He’s helped by one other dimension, which is Kamala Harris. If there’s one politician in America who is less popular than Joe Biden, it’s Joe Biden’s running mate, Kamala Harris.
“It’s bad for the Democrats, but good for Biden. It means he doesn’t have an immediate opponent.”
Harris visited Puerto Rico to highlight the Biden administration's actions to support the island nation's recovery and renewal efforts.
Kamala Harris is currently serving as Vice President under Joe BidenREUTERSShe also attended campaign events while on her trip.
It has been suggested Harris is hoping to win over Latino voters as polls show the group shifting towards Republican rival Donald Trump.
A Siena College survey showed Biden trailing Trump by six per cent, with the 45th President registering 46 per cent support.
Hispanic voters decisively supported Hillary Clinton in 2016, with Trump trailing by 38 per cent.
However, despite losing the 2020 election, the 45th President cut the Democratic Party's lead to just 21 per cent.