Amber Heard thought it was "a joke" when Johnny Depp allegedly slapped her for the first time. The 'Aquaman' actress is being sued for defamation by her ex-husband over a 2018 op-ed she wrote about … [+1860 chars]Read the whole story by on Castanet.net:https://www.castanet.net/news/Entertainment/368016/-I-thought-he-was-joking-Amber-Heard-recalls-alleged-first-violence-from-Johnny-Depp