Tarek El Moussa has clapped back at trolls who accused him of shading his ex, Christina Haack, with “nasty messages”. Christina is going through divorce after splitting from estranged husband, Josh Hall. Many moons ago, Tarek El Moussa and Christina Hall appeared on a HGTV show together, even during the years after their split. But they stopped the home decor series and both married to new partners. Tarek El Moussa slams ‘nasty messages’Tarek El Moussa uploaded a photo of a street sign called Bittersweet Lane to his Instagram Story, which was soon perceived to be a shady indirect to his ex-wif…