“Mom was very grateful to the team who helped her,” the insider adds.
The same day, Jolie walked the red carpet for the Golden Globe Awards where her film, First They Killed My Father, was nominated for a Golden Globe award in the category of best foreign language film.
The teenager matched his mom in a black velvet tuxedo complete with a “Time’s Up” pin.
In December, Pax and his siblings Knox, Shiloh and Zahara, 13 on Monday, accompanied Jolie to the 2017 United Nations Correspondents Association Awards at Cipriani Wall Street, where she was honored as the 2017 UNCA Global Citizen of the year.
And although Vivienne, 9, and Maddox, 16, were missing from the group, a source told PEOPLE at the time, “Vivienne had an upset tummy and big brother Maddox stayed with her.
This article originally appeared on PEOPLE.