It comes after Vanessa was pranked by a caller pretending to be Celebrity Big Brother star Lauren Harries during a live phone-in during last Tuesday's episode of her show.
The broadcaster, 63, has been candid about her challenges with her weight in the past, having fluctuated dramatically between sizes 10 and 22 over three decades.
Saskia, 35, who is a child anxiety therapist, was a guest panellist on the daytime show for a discussion about how best to speak to children about the news.
The Vanessa Show host looked in high spirits as she was snapped leaving The Lavery at the end of the star-studded occasion, which saw the launch of Elizabeth's latest novel One of Us.
Ben Ofoedu appeared to take a swipe at his ex Vanessa Feltz as he enjoyed his honeymoon this week after marrying his new bride, who he shamelessly calls 'Vanessa 2.0'.