Here's Alexandra saying, "Tada!" Since she's started standing, she's realized that if she throws her hands in the air, we clap and cheer for her. So now she does it at all times (even when not standing).
When she sees this picture of herself, she throws her hands in the air and says, "Yaayyy!" And by the way, if you (mom), want to view all the prior month-by-month photos, just click on "months and counting" link at the end of this post.