The musician's representative confirmed to Vanity Fair on January 31 that the couple welcomed three babies this month, reported E! News.
The rep, however, didn't disclose the genders and names of the triplets, but said, "The family is healthy and happy."
In September 2016, Pharrell-Helen broke the news that they were expecting for the second time but they did not reveal that they were expecting triplets.
They have been married since 2013 and also have an eight-year-old son Rocket Williams.