Adjustment of Status - I-485

Hello All,
I am USC and we submitted AOS - marriage based for my husband.
This forum has been my only relief during the process and still is.
I received an interview notice last Saturday (for 7/31 @ LA).
Under required documents it says to bring petitioner’s birth certificate.
Is this required for naturalized USC?

Below is the timeline. Everyone keep the hope and patience. Your time will come!!

12/14 RD (130, 485, 131, 765) (from Dallas TX)
12/21 biometric letter issued (for TX address)
end of Dec moved to Los Angeles, CA
1/7 biometric (attorney told us to go to local office, explain the move and biometric done @ LA local office)
1/17 485, 765 finger print received and we are processing fingerprint
WAIT GAME BEGIN
5/21 RFE letter sent
5/28 RFE letter received (most recent tax report, 864, w-2, employment verification even though we submitted everything)
5/31 expedite request for 765 (thru attorney)
6/3 1st expedite request assigned to officer, response was sent and expedite request was completed. - response was denied due to pending RFE
6/5 2nd expedite request thru congressman - submitted document on same day told us to wait 2 wks and it could take max 30 days to receive response.
6/6 RFE sent to USCIS
6/11 USCIS received RFE, 3rd expedite request submitted (thru attorney again)
6/20 card in production (765), ready to schedule for interview (485)
6/25 card mailed (765), interview was scheduled (485)
6/29 interview schedule letter received (for 7/31)