The Twilight Saga: Breaking Dawn' 'Renesmee' casting rumor revealed

A couple of weeks ago, a rumor popped up online that Lee Pace was in contention for a role as "Garrett" in The Twilight Saga: Breaking Dawn, but within a day, that rumor was shot down by Gossip Cop.
Celebuzz caught onto a Facebook post that Model Management Group USA & Canada made with this photo of a young actress by the name of Kayla D.
Here's what the photo caption says: "Attached is a photo of Kayla and Daniel D. ... Kayla is the little girl up for the role of Bella's daughter in the new film in the Twilight Sage: Breaking Dawn. Kayla is pictured with her adorable brother Daniel who has already had two castings since signing with us this month! Daniel will be submitting a video audition for another role in the Twilight film! Good Luck guys!!!!"
In other words, the suggestion is that Kayla is currently in contention for the role of "Renesmee," not that she has officially been cast for the part.
When the Lee Pace story came around, there was no confirmation or rejection available from the studio, and since this is a similar circumstance, the same is probably true. Also, since the post seems to come from Kayla's representation, there might not be a statement negating the issue offered up to sources like Gossip Cop (though that remains to be seen).