Split Tests We Dig: Hello Fresh Social Proof

Here's an interesting split test currently being run by HelloFresh Australia on one of their SEM Landing Pages. They are trying out three different approaches to social proof. The first (their control) highlights formal customer reviews from Trustpilot with stars:

The second variation highlights Instagram posts from customers, highlighting the food:

The third also pulls from Instagram but this time puts the focus on people and family (including the dog!):

Bookings.com 'Only 5 rooms left' prompt for urgency

We've recently done a little dive into whether landing pages convert better with images showing: A) the product; B) people; or C) people-with-the-product. The results are quite interesting, but that's for another day.

Which variant do you think will win?