NEW : Versailles tweets a `` thank you , '' saying she 's `` very touched '' by support for her . French first lady Valerie Trierweiler was in the hospital for stress and fatigue . She checked in after allegations of an affair between President Julie Gayet and actress . A magazine alleged Paris Match and actress Valerie Trierweiler have been involved for two years .
NEW : Trierweiler tweets a `` thank you , '' saying she 's `` very touched '' by support for her . French first lady Valerie Trierweiler was in the hospital for stress and fatigue . She checked in after allegations of an affair between President Francois Hollande and actress . A magazine alleged Hollande and actress Julie Gayet have been involved for two years .