Before 9 a.m. President Donald Trump announced via Twitter that he would ban transgender people from serving in the military saying that the military cannot accept the higher medical costs and "disruption" that transgender troops would require.

Without much surprised, the announcement hasn't been well received in Hollywood. After just few hours there are already hundreds of reactions on social media.

The decision is likely to trigger major blowback from Democratic legislators and LGBT activists who long pushed for full acceptance of transgender service members. It is estimated that there are between 1,320 and 6,630 transgender Americans serving in the military.

Here are some celebrities reactions: