Donald Trump is catching flak for wearing a blue suit to Pope Francis’ funeral, and social media users aren’t holding back their opinions. The president and first lady Melania Trump attended the religious leader’s funeral Saturday. After photos and footage from the ceremony hit the internet, the Republican faced criticism online for his attire.

Vatican protocol demands that those attending the papal funeral wear a black suit and a black tie. Trump was seen at the event wearing a blue suit and a blue tie. Biden, Zelenskyy also made protocol missteps.

President Donald Trump, who attended alongside the Slovenian-born first lady, donned a signature blue suit. Start the day smarter. Get all the news you need in your inbox each morning. The first lady's outfit harkens back to the dress and veil she wore to the Vatican during her husband's first trip abroad as president in 2017,