Philanthropist and children's content creator Ms Rachel pledged to donate how much to Palestine, matching rapper Macklemore's pledge?

Explanation: Ms Rachel, known for her children's educational content, pledged to donate $1 million to Palestine, matching a similar pledge made by rapper Macklemore, and invited other "wealthy white celebrities" to match her donation. The gesture reflected continued celebrity engagement with humanitarian appeals related to Gaza, occurring against the backdrop of ongoing scrutiny of prominent public figures' statements and actions concerning the Israeli-Palestinian conflict.